the cause of air pollution essay

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Air Pollution: Causes and Effects

• Categories: Air Pollution Environmental Issues Pollution

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Updated: 30 November, 2023

Words: 723 | Page: 1 | 4 min read

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Air Pollution Essay: Hook Examples

• The Silent Killer: Delve into the invisible threat that surrounds us every day, affecting our health, environment, and future generations – air pollution.
• Gasping for Breath: Paint a vivid picture of individuals struggling to breathe in polluted cities, highlighting the urgency of addressing this pressing issue.
• Nature’s S.O.S: Explore how wildlife and ecosystems send distress signals through the impact of air pollution, underscoring the interconnectedness of all living beings.
• The Economic Toll: Uncover the hidden costs of air pollution on healthcare, productivity, and quality of life, revealing the far-reaching consequences of our actions.
• Clean Air, Clear Future: Imagine a world where we embrace cleaner technologies and sustainable practices, offering a vision of hope and change in the fight against air pollution.

Works Cited

• Agarwal, A., & Agarwal, S. (2020). Air Pollution: Sources, Effects, and Control. CRC Press.
• Cohen, A. J., Brauer, M., Burnett, R., Anderson, H. R., Frostad, J., Estep, K., … & Balakrishnan, K. (2017). Estimates and 25-year trends of the global burden of disease attributable to ambient air pollution: an analysis of data from the Global Burden of Diseases Study 2015. The Lancet, 389(10082), 1907-1918.
• Guttikunda, S. K., & Gurjar, B. R. (2012). Role of meteorology in seasonality of air pollution in megacity Delhi, India. Environmental Monitoring and Assessment, 184(5), 3199-3211.
• He, G., Ying, Q., Ma, Y., Cheng, L., Wang, Y., & Liu, Y. (2016). Health risks of air pollution in China: a special focus on particulate matter. Environmental Pollution, 211, 17-30.
• Heyder, J., Gebhart, J., Rudolf, G., & Schiller, C. (1986). St deposition in the human respiratory tract as determined by cyclone techniques. Environmental Health Perspectives, 66, 149-159.
• Khan, M. N., Islam, M. M., Siddiqui, M. N., & Islam, M. S. (2019). Sources and Impact of Air Pollution on Human Health. In Sustainable Environment and Transportation (pp. 307-334). Springer.
• Kumar, P., Kumar, A., & Goyal, P. (2020). Air Pollution: Measurement, Modelling and Mitigation. CRC Press.
• Lelieveld, J., Evans, J. S., Fnais, M., Giannadaki, D., & Pozzer, A. (2015). The contribution of outdoor air pollution sources to premature mortality on a global scale. Nature, 525(7569), 367-371.

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Air Pollution: Everything You Need to Know

How smog, soot, greenhouse gases, and other top air pollutants are affecting the planet—and your health.

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What is air pollution?

What causes air pollution, effects of air pollution, air pollution in the united states, air pollution and environmental justice, controlling air pollution, how to help reduce air pollution, how to protect your health.

Air pollution  refers to the release of pollutants into the air—pollutants that are detrimental to human health and the planet as a whole. According to the  World Health Organization (WHO) , each year, indoor and outdoor air pollution is responsible for nearly seven million deaths around the globe. Ninety-nine percent of human beings currently breathe air that exceeds the WHO’s guideline limits for pollutants, with those living in low- and middle-income countries suffering the most. In the United States, the  Clean Air Act , established in 1970, authorizes the U.S. Environmental Protection Agency (EPA) to safeguard public health by regulating the emissions of these harmful air pollutants.

“Most air pollution comes from energy use and production,” says  John Walke , director of the Clean Air team at NRDC. Driving a car on gasoline, heating a home with oil, running a power plant on  fracked gas : In each case, a fossil fuel is burned and harmful chemicals and gases are released into the air.

“We’ve made progress over the last 50 years in improving air quality in the United States, thanks to the Clean Air Act. But climate change will make it harder in the future to meet pollution standards, which are designed to  protect health ,” says Walke.

Air pollution is now the world’s fourth-largest risk factor for early death. According to the 2020  State of Global Air  report —which summarizes the latest scientific understanding of air pollution around the world—4.5 million deaths were linked to outdoor air pollution exposures in 2019, and another 2.2 million deaths were caused by indoor air pollution. The world’s most populous countries, China and India, continue to bear the highest burdens of disease.

“Despite improvements in reducing global average mortality rates from air pollution, this report also serves as a sobering reminder that the climate crisis threatens to worsen air pollution problems significantly,” explains  Vijay Limaye , senior scientist in NRDC’s Science Office. Smog, for instance, is intensified by increased heat, forming when the weather is warmer and there’s more ultraviolet radiation. In addition, climate change increases the production of allergenic air pollutants, including mold (thanks to damp conditions caused by extreme weather and increased flooding) and pollen (due to a longer pollen season). “Climate change–fueled droughts and dry conditions are also setting the stage for dangerous wildfires,” adds Limaye. “ Wildfire smoke can linger for days and pollute the air with particulate matter hundreds of miles downwind.”

The effects of air pollution on the human body vary, depending on the type of pollutant, the length and level of exposure, and other factors, including a person’s individual health risks and the cumulative impacts of multiple pollutants or stressors.

Smog and soot

These are the two most prevalent types of air pollution. Smog (sometimes referred to as ground-level ozone) occurs when emissions from combusting fossil fuels react with sunlight. Soot—a type of  particulate matter —is made up of tiny particles of chemicals, soil, smoke, dust, or allergens that are carried in the air. The sources of smog and soot are similar. “Both come from cars and trucks, factories, power plants, incinerators, engines, generally anything that combusts fossil fuels such as coal, gasoline, or natural gas,” Walke says.

Smog can irritate the eyes and throat and also damage the lungs, especially those of children, senior citizens, and people who work or exercise outdoors. It’s even worse for people who have asthma or allergies; these extra pollutants can intensify their symptoms and trigger asthma attacks. The tiniest airborne particles in soot are especially dangerous because they can penetrate the lungs and bloodstream and worsen bronchitis, lead to heart attacks, and even hasten death. In  2020, a report from Harvard’s T.H. Chan School of Public Health showed that COVID-19 mortality rates were higher in areas with more particulate matter pollution than in areas with even slightly less, showing a correlation between the virus’s deadliness and long-term exposure to air pollution. 

These findings also illuminate an important  environmental justice issue . Because highways and polluting facilities have historically been sited in or next to low-income neighborhoods and communities of color, the negative effects of this pollution have been  disproportionately experienced by the people who live in these communities.

Hazardous air pollutants

A number of air pollutants pose severe health risks and can sometimes be fatal, even in small amounts. Almost 200 of them are regulated by law; some of the most common are mercury,  lead , dioxins, and benzene. “These are also most often emitted during gas or coal combustion, incineration, or—in the case of benzene—found in gasoline,” Walke says. Benzene, classified as a carcinogen by the EPA, can cause eye, skin, and lung irritation in the short term and blood disorders in the long term. Dioxins, more typically found in food but also present in small amounts in the air, is another carcinogen that can affect the liver in the short term and harm the immune, nervous, and endocrine systems, as well as reproductive functions.  Mercury  attacks the central nervous system. In large amounts, lead can damage children’s brains and kidneys, and even minimal exposure can affect children’s IQ and ability to learn.

Another category of toxic compounds, polycyclic aromatic hydrocarbons (PAHs), are by-products of traffic exhaust and wildfire smoke. In large amounts, they have been linked to eye and lung irritation, blood and liver issues, and even cancer.  In one study , the children of mothers exposed to PAHs during pregnancy showed slower brain-processing speeds and more pronounced symptoms of ADHD.

Greenhouse gases

While these climate pollutants don’t have the direct or immediate impacts on the human body associated with other air pollutants, like smog or hazardous chemicals, they are still harmful to our health. By trapping the earth’s heat in the atmosphere, greenhouse gases lead to warmer temperatures, which in turn lead to the hallmarks of climate change: rising sea levels, more extreme weather, heat-related deaths, and the increased transmission of infectious diseases. In 2021, carbon dioxide accounted for roughly 79 percent of the country’s total greenhouse gas emissions, and methane made up more than 11 percent. “Carbon dioxide comes from combusting fossil fuels, and methane comes from natural and industrial sources, including large amounts that are released during oil and gas drilling,” Walke says. “We emit far larger amounts of carbon dioxide, but methane is significantly more potent, so it’s also very destructive.” 

Another class of greenhouse gases,  hydrofluorocarbons (HFCs) , are thousands of times more powerful than carbon dioxide in their ability to trap heat. In October 2016, more than 140 countries signed the Kigali Agreement to reduce the use of these chemicals—which are found in air conditioners and refrigerators—and develop greener alternatives over time. (The United States officially signed onto the  Kigali Agreement in 2022.)

Pollen and mold

Mold and allergens from trees, weeds, and grass are also carried in the air, are exacerbated by climate change, and can be hazardous to health. Though they aren’t regulated, they can be considered a form of air pollution. “When homes, schools, or businesses get water damage, mold can grow and produce allergenic airborne pollutants,” says Kim Knowlton, professor of environmental health sciences at Columbia University and a former NRDC scientist. “ Mold exposure can precipitate asthma attacks  or an allergic response, and some molds can even produce toxins that would be dangerous for anyone to inhale.”

Pollen allergies are worsening  because of climate change . “Lab and field studies are showing that pollen-producing plants—especially ragweed—grow larger and produce more pollen when you increase the amount of carbon dioxide that they grow in,” Knowlton says. “Climate change also extends the pollen production season, and some studies are beginning to suggest that ragweed pollen itself might be becoming a more potent allergen.” If so, more people will suffer runny noses, fevers, itchy eyes, and other symptoms. “And for people with allergies and asthma, pollen peaks can precipitate asthma attacks, which are far more serious and can be life-threatening.”

More than one in three U.S. residents—120 million people—live in counties with unhealthy levels of air pollution, according to the  2023  State of the Air  report by the American Lung Association (ALA). Since the annual report was first published, in 2000, its findings have shown how the Clean Air Act has been able to reduce harmful emissions from transportation, power plants, and manufacturing.

Recent findings, however, reflect how climate change–fueled wildfires and extreme heat are adding to the challenges of protecting public health. The latest report—which focuses on ozone, year-round particle pollution, and short-term particle pollution—also finds that people of color are 61 percent more likely than white people to live in a county with a failing grade in at least one of those categories, and three times more likely to live in a county that fails in all three.

In rankings for each of the three pollution categories covered by the ALA report, California cities occupy the top three slots (i.e., were highest in pollution), despite progress that the Golden State has made in reducing air pollution emissions in the past half century. At the other end of the spectrum, these cities consistently rank among the country’s best for air quality: Burlington, Vermont; Honolulu; and Wilmington, North Carolina. 

No one wants to live next door to an incinerator, oil refinery, port, toxic waste dump, or other polluting site. Yet millions of people around the world do, and this puts them at a much higher risk for respiratory disease, cardiovascular disease, neurological damage, cancer, and death. In the United States, people of color are 1.5 times more likely than whites to live in areas with poor air quality, according to the ALA.

Historically, racist zoning policies and discriminatory lending practices known as  redlining  have combined to keep polluting industries and car-choked highways away from white neighborhoods and have turned communities of color—especially low-income and working-class communities of color—into sacrifice zones, where residents are forced to breathe dirty air and suffer the many health problems associated with it. In addition to the increased health risks that come from living in such places, the polluted air can economically harm residents in the form of missed workdays and higher medical costs.

Environmental racism isn't limited to cities and industrial areas. Outdoor laborers, including the estimated three million migrant and seasonal farmworkers in the United States, are among the most vulnerable to air pollution—and they’re also among the least equipped, politically, to pressure employers and lawmakers to affirm their right to breathe clean air.

Recently,  cumulative impact mapping , which uses data on environmental conditions and demographics, has been able to show how some communities are overburdened with layers of issues, like high levels of poverty, unemployment, and pollution. Tools like the  Environmental Justice Screening Method  and the EPA’s  EJScreen  provide evidence of what many environmental justice communities have been explaining for decades: that we need land use and public health reforms to ensure that vulnerable areas are not overburdened and that the people who need resources the most are receiving them.

In the United States, the  Clean Air Act  has been a crucial tool for reducing air pollution since its passage in 1970, although fossil fuel interests aided by industry-friendly lawmakers have frequently attempted to  weaken its many protections. Ensuring that this bedrock environmental law remains intact and properly enforced will always be key to maintaining and improving our air quality.

But the best, most effective way to control air pollution is to speed up our transition to cleaner fuels and industrial processes. By switching over to renewable energy sources (such as wind and solar power), maximizing fuel efficiency in our vehicles, and replacing more and more of our gasoline-powered cars and trucks with electric versions, we'll be limiting air pollution at its source while also curbing the global warming that heightens so many of its worst health impacts.

And what about the economic costs of controlling air pollution? According to a report on the Clean Air Act commissioned by NRDC, the annual  benefits of cleaner air  are up to 32 times greater than the cost of clean air regulations. Those benefits include up to 370,000 avoided premature deaths, 189,000 fewer hospital admissions for cardiac and respiratory illnesses, and net economic benefits of up to $3.8 trillion for the U.S. economy every year.

“The less gasoline we burn, the better we’re doing to reduce air pollution and the harmful effects of climate change,” Walke explains. “Make good choices about transportation. When you can, ride a bike, walk, or take public transportation. For driving, choose a car that gets better miles per gallon of gas or  buy an electric car .” You can also investigate your power provider options—you may be able to request that your electricity be supplied by wind or solar. Buying your food locally cuts down on the fossil fuels burned in trucking or flying food in from across the world. And most important: “Support leaders who push for clean air and water and responsible steps on climate change,” Walke says.

• “When you see in the news or hear on the weather report that pollution levels are high, it may be useful to limit the time when children go outside or you go for a jog,” Walke says. Generally, ozone levels tend to be lower in the morning.
• If you exercise outside, stay as far as you can from heavily trafficked roads. Then shower and wash your clothes to remove fine particles.
• The air may look clear, but that doesn’t mean it’s pollution free. Utilize tools like the EPA’s air pollution monitor,  AirNow , to get the latest conditions. If the air quality is bad, stay inside with the windows closed.
• If you live or work in an area that’s prone to wildfires,  stay away from the harmful smoke  as much as you’re able. Consider keeping a small stock of masks to wear when conditions are poor. The most ideal masks for smoke particles will be labelled “NIOSH” (which stands for National Institute for Occupational Safety and Health) and have either “N95” or “P100” printed on it.
• If you’re using an air conditioner while outdoor pollution conditions are bad, use the recirculating setting to limit the amount of polluted air that gets inside. 

This story was originally published on November 1, 2016, and has been updated with new information and links.

This NRDC.org story is available for online republication by news media outlets or nonprofits under these conditions: The writer(s) must be credited with a byline; you must note prominently that the story was originally published by NRDC.org and link to the original; the story cannot be edited (beyond simple things such as grammar); you can’t resell the story in any form or grant republishing rights to other outlets; you can’t republish our material wholesale or automatically—you need to select stories individually; you can’t republish the photos or graphics on our site without specific permission; you should drop us a note to let us know when you’ve used one of our stories.

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4 Causes and Effects of Air Pollution

Air pollution refers to the release of pollutants into the air, which can be harmful and impose significant health risks to the population, including increased chances of coronary and respiratory diseases, as well as preliminary deaths. Made up of chemicals and pollutant particles, air pollution is one of the biggest environmental problems of our lifetime . Read on to learn about the major causes and effects of air pollution. 

Sources of Air Pollution

1. burning fossil fuels.

The biggest contributors of air pollution are from industry sources and power plants to generate power, as well as fossil fuel motor vehicles. The continuous burning of fossil fuels releases air pollutants, emissions and chemicals into the air and atmosphere. 

In 2020, the Environmental Protection Agency reported that about 68 million tons of air pollution were emitted into the atmosphere in the US, contributing to the “formation of ozone and particles, the deposition of acids, and visibility impairment.”

The World Health Organization (WHO) estimates around 91% of the world’s population lives in places where air quality levels exceed limits. Developing and low-income countries experienced the greatest impacts from outdoor air pollution, particularly in the Western Pacific and South-East Asia regions. 

Climate change has an interrelated relationship with the environment and air pollution. As more air pollutants and greenhouse gases are released, this alters the energy balance between the atmosphere and the Earth’s surface , which leads to global warming. The global temperature increase in turns raises the production of allergenic air pollutants such as mold and extends pollen seasons. 

2. Ozone and Smog

Ozone is a gas that when it forms air pollution and reaches too close to the ground, it significantly reduces visibility. We call this smog. This form of air pollution occurs when sunlight reacts with nitrogen oxides released from car exhausts and coal power plants. The ozone typically forms a protective layer in the atmosphere to protect the population from ultraviolet radiation (UV), but as it transforms into smog, it is harmful to human health and poses higher risks of respiratory illnesses like asthma and lung cancer. 

3. Weather Conditions

Air pollution and poor air quality can be attributed to changing weather conditions. For example, dust storms in China would carry clouds of industrial pollutants and particulate pollution across the Gobi desert into neighbouring countries such as Korea and Japan during spring season. Likewise during periods of high air pressure, air becomes stagnant and pollutants are more concentrated over certain areas. 

4. Heatwaves and Wildfires

Heatwaves not only lead to an increase of temperature, but are some of the causes and effects of air pollution. Hotter, stagnant air during a heat wave increases the concentration of particle pollutants. Extreme heat wave events also have higher risks of large-scale wildfires, which in turn, releases more carbon emissions, smog and pollutants into the air. 

You might also like: 15 Most Polluted Cities in the World

Effects of Air Pollution 

Air pollution contributes to the death of 5 million every year and about 6% of the global population, according to Our World in Data . The lethal combination of outdoor air pollution and toxic emissions from burning fossil fuel has been one of the leading causes of chronic and often terminal health issues including heart disease, stroke, lung cancer, and lower respiratory infections. 

The WHO estimates that nine out of 10 people breathe air that contains high levels of pollutants. In 2017, close to 15% of population deaths in low income countries like South and East Asia are attributed to air pollution, while the higher income countries experience only about 2%. 

The drastic difference in mortality numbers can be linked to legislations such as the Clean Air Act implemented by high-income countries like the US. Such legislations usually establishes national air quality standards and regulations on hazardous air pollutants. The UK in particular, saw a sharp 60% decline in air pollutant emissions between the 1970 and 2016. 

The environmental effects of air pollution are also vast, ranging from acid rain to contributing to birth defects, reproductive failure, and diseases in wildlife animals. Agriculture is also a victim of air pollution as increased pollutants can affect crop and forest yields, reduce growth  and increased plant susceptibility to disease from increased UV radiation caused by ozone depletion.

In the wake of the COVID-19 pandemic, air pollution has once again returned to the spotlight in relation to its role in transmitting virus molecules. Preliminary studies have identified a positive correlation between COVID-19-related mortalities and air pollution. China, being one of the most polluted countries in the world, can potentially link its high death toll during the pandemic to its poor air quality. Although, more research needs to be conducted to make any substantive correlation.

You might also like: History of Air Pollution: Have We Reached the Point of No Return?

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Essay on Air Pollution for Students and Children

500+ words essay on air pollution.

Essay on Air Pollution – Earlier the air we breathe in use to be pure and fresh. But, due to increasing industrialization and concentration of poisonous gases in the environment the air is getting more and more toxic day by day. Also, these gases are the cause of many respiratory and other diseases . Moreover, the rapidly increasing human activities like the burning of fossil fuels, deforestation is the major cause of air pollution.

How Air Gets Polluted?

The fossil fuel , firewood, and other things that we burn produce oxides of carbons which got released into the atmosphere. Earlier there happens to be a large number of trees which can easily filter the air we breathe in. But with the increase in demand for land, the people started cutting down of trees which caused deforestation. That ultimately reduced the filtering capacity of the tree.

Moreover, during the last few decades, the numbers of fossil fuel burning vehicle increased rapidly which increased the number of pollutants in the air .

Causes Of Air Pollution

Its causes include burning of fossil fuel and firewood, smoke released from factories , volcanic eruptions, forest fires, bombardment, asteroids, CFCs (Chlorofluorocarbons), carbon oxides and many more.

Besides, there are some other air pollutants like industrial waste, agricultural waste, power plants, thermal nuclear plants, etc.

Greenhouse Effect

The greenhouse effect is also the cause of air pollution because air pollution produces the gases that greenhouse involves. Besides, it increases the temperature of earth surface so much that the polar caps are melting and most of the UV rays are easily penetrating the surface of the earth.

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Effects Of Air Pollution On Health

Moreover, it increases the rate of aging of lungs, decreases lungs function, damage cells in the respiratory system.

Ways To Reduce Air Pollution

Although the level of air pollution has reached a critical point. But, there are still ways by which we can reduce the number of air pollutants from the air.

Reforestation- The quality of air can be improved by planting more and more trees as they clean and filter the air.

Policy for industries- Strict policy for industries related to the filter of gases should be introduced in the countries. So, we can minimize the toxins released from factories.

Use of eco-friendly fuel-  We have to adopt the usage of Eco-friendly fuels such as LPG (Liquefied Petroleum Gas), CNG (Compressed Natural Gas), bio-gas, and other eco-friendly fuels. So, we can reduce the amount of harmful toxic gases.

To sum it up, we can say that the air we breathe is getting more and more polluted day by day. The biggest contribution to the increase in air pollution is of fossil fuels which produce nitric and sulphuric oxides. But, humans have taken this problem seriously and are devotedly working to eradicate the problem that they have created.

Above all, many initiatives like plant trees, use of eco-friendly fuel are promoted worldwide.

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• Air Pollution Essay

Essay on Air Pollution

Environmental changes are caused by the natural or artificial content of harmful pollutants and can cause instability, disturbance, or adverse effects on the ecosystem. Earth and its environment pose a more serious threat due to the increasing pollution of air, water, and soil. Environmental damage is caused by improper resource management or careless human activities. Therefore, any activity that violates the original nature of the environment and leads to degradation is called pollution. We need to understand the origin of these pollutants and find ways to control pollution. This can also be done by raising awareness of the effects of pollutants.

Air pollution is any physical, chemical, or biological change in the air. A certain percentage of the gas is present in the atmosphere. Increasing or decreasing the composition of these gasses is detrimental to survival. This imbalance in gas composition causes an increase in global temperature which is called global warming.

Introduction to air pollution 

The Earth and its environment are facing a serious threat by the increasing pollution of the air, water, and soil—the vital life support systems of the Earth. The damage to the environment is caused by improper management of resources or by careless human activity. Hence any activity that violates the original character of nature and leads to its degradation is called pollution. We need to understand the sources of these pollutants and find ways to control pollution. This can be also done by making people aware of the effects of pollutants. 

Air with 78% Nitrogen, 21% Oxygen, and 1% of all other gasses support life on Earth. Various processes take place to sustain the regular percentage of gasses and their composition in general. 

Atmospheric pollution can have natural sources, for example, volcanic eruptions. The gaseous by-products of man-made processes such as energy production, waste incineration, transport, deforestation and agriculture, are the major air pollutants.

Although air is made up of mostly Oxygen and Nitrogen, mankind, through pollution, has increased the levels of many trace gasses, and in some cases, released completely new gasses to the atmosphere. 

Air pollution can result in poor air quality, both in cities and in the countryside. Some air pollutants make people sick, causing breathing problems and increasing the likelihood of cancer. 

Some air pollutants are harmful to plants, animals, and the ecosystems in which they live. Statues, monuments, and buildings are being corroded by the air pollutants in the form of acid rain. It also damages crops and forests, and makes lakes and streams unsuitable for fish and other plant and animal life. 

Air pollution created by man-made resources is also changing the Earth’s atmosphere. It is causing the depletion of the ozone layer and letting in more harmful radiation from the Sun. The greenhouse gasses released into the atmosphere prevents heat from escaping back into space and leads to a rise in global average temperatures. Global warming affects the average sea-level and increases the spread of tropical diseases.

Air pollution occurs when large amounts of gas and tiny particles are released into the air and the ecological balance is disturbed. Each year millions of tons of gasses and particulate matter are emitted into the air. 

Primary air pollutants are pollutants, which are directly released into the air. They are called SPM, i.e., Suspended Particulate Matter. For example, smoke, dust, ash, sulfur oxide, nitrogen oxide, and radioactive compounds, etc.

Secondary Pollutants are pollutants, which are formed due to chemical interactions between the atmospheric components and primary pollutants. For example, Smog (i.e. Smoke and fog), ozone, etc.

Major gaseous air pollutants include Carbon Dioxide, Hydrogen Sulfide, Sulfur Dioxide and Nitrogen Oxide, etc.

Natural sources are volcanic eruptions, forest fires, dust storms, etc. 

Man-made sources include gasses released from the automobiles, industries, burning of garbage and bricks kilns, etc.

Effects of Air Pollution on Human Health

Air pollution has adverse effects on human health. 

Breathing polluted air puts you at higher risk of asthma.

When exposed to ground ozone for 6 to 7 hours, people suffer from respiratory inflammation.

Damages the immune system, endocrine, and reproductive systems.

A high level of air pollution has been associated with higher incidents of heart problems.

The toxic chemicals released into the air are affecting the flora and fauna immensely.

Preventive Measures to Reduce Air Pollution

We can prevent pollution by utilizing raw materials, water energy, and other resources more efficiently. When less harmful substances are substituted for hazardous ones, and when toxic substances are eliminated from the production process, human health can be protected and economic wellbeing can be strengthened. 

There are several measures that can be adopted by people to reduce pollution and to save the environment.

Carpooling.

Promotion of public transport.

No smoking zone.

Restricted use of fossil fuels.

Saving energy.

Encouraging organic farming.

The government has put restrictions on the amount of fossil fuels that can be used as well as restrictions on how much carbon dioxide and other pollutants can be emitted. Although the government is attempting to save our environment from these harmful gasses, it is not sufficient. We as a society need to keep the environment clean by controlling the pollution of air.

FAQs on Air Pollution Essay

1. State the Causes of Air Pollution ?

The following are the causes of air pollution.

Vehicular pollution consisting of Carbon Monoxide causes pollution.

Emission of Nitrogen oxide by a large number of supersonic transport airplanes causes deterioration of the Ozone layer and also causes serious damage to the flora and fauna.

The release of Chlorofluorocarbons into the Stratosphere causes depletion of Ozone, which is a serious concern to animals, microscopic, and aquatic organisms.

Burning garbage causes smoke, which pollutes the atmosphere. This smoke contains harmful gases such as Carbon dioxide and Nitrogen oxides.

In India, brick kilns are used for many purposes and coal is used to burn the bricks. They give out huge quantities of Carbon dioxide and particulate matter such as smoke, dust that are very harmful to people working there and the areas surrounding it. 

Many cleansing agents release poisonous gases such as Ammonia and Chlorine into the atmosphere. 

Radioactive elements emit harmful rays into the air.

Decomposed animals and plants emit Methane and Ammonia gas into the air.

2. What Does Global Warming Mean?

Global warming is the gradual rising average temperature of the Earth's atmosphere due to the concentration of methane in certain toxic gasses such as carbon dioxide. This has a major impact on the world climate. The world is warming. The land and the sea are now warmer than they were at the beginning and temperatures are still rising. This rise in temperature is, in short, global warming. This temperature rise is man-made. The burning of fossil fuels releases greenhouse gasses into the atmosphere which capture solar heat and raise surface and air temperatures.

3. Name the Alternative Modes of Transport. In What Way Does it Help to Reduce Air Pollution?

Public transport could be an alternative mode of transport. Public transport like trains, buses and trams, can relieve traffic congestion and reduce air pollution from road transport. The use of public transport must be encouraged in order to develop a sustainable transport policy.

4. Mention other means of transportation! How can I help reduce air pollution?

Public transportation can be another mode of transportation. Public transport such as trains, buses and trams can reduce traffic congestion and reduce air pollution from road transport. The use of public transport and to develop sustainable transport policies should be encouraged. While one passenger vehicle has the convenience factor, other modes of transportation reduce travel costs, spend less time, reduce stress, improve health, and reduce energy consumption and parking. Other trips for work include walking/cycling, public transport, hybrid travel and transport.

5. What are the effects of pollution?

Excessive air pollution can increase the risk of heart attack, wheezing, coughing and difficulty breathing, as well as irritation of the eyes, nose and throat. Air pollution can also cause heart problems, asthma, and other lung problems. Due to the emission of greenhouse gases, the composition of the air in the air is disturbed. This causes an increase in global temperature. The damaging ozone layer due to air pollution does not prevent harmful ultraviolet rays from the sun, which cause skin and eye problems in individuals. Air pollution has caused a number of respiratory and heart diseases among people. The incidence of lung cancer has increased in recent decades. Children living in contaminated areas are more likely to develop pneumonia and asthma. Many people die every year due to the direct or indirect effects of air pollution. When burning fossil fuels, harmful gases such as nitrogen oxides and sulfur oxides are released into the air. Water droplets combine with these pollutants and become acidic and fall as acid rain, which harms human, animal and plant life.

6. What is the solution to air pollution?

Production of renewable fuels and clean energy. The basic solution to air pollution is to get away from fossil fuels and replace them with other energies such as solar, wind and geothermal. The government limits the amount of fossil fuel that can be used and how much carbon dioxide and other pollutants it can emit. While the government is trying to save our environment from this harmful gas, it is not enough. We as a society need to keep the environment clean by controlling air pollution. To more in detail about air pollution and its causes. To learn more about air pollution and its impact on the environment, visit the Vedantu website.

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Essay on Air Pollution for Students: Check Samples of 100 Words to 250 Words

• Updated on  
• Sep 4, 2023

Essay on Air Pollution : Invisible but insidious, air pollution silently infiltrates our lives, impacting health, the environment, and future generations. Through this blog, let’s explore its roots, repercussions, and remedies, which are essential in our quest for cleaner, healthier skies. Essay writing here becomes more crucial, to raise awareness about air pollution’s dire consequences and drive action for cleaner air.

This Blog Includes:

What are the causes of air pollution, what are the effects of air pollution, essay on air pollution: how to tackle air pollution, essay on air pollution sample (100 words), essay on air pollution sample (250 words).

Must Read: Essay On Environment

Air pollution is caused by various factors, including:

• Industrial Emissions: Factories and manufacturing processes release pollutants like chemicals and particulate matter into the air.
• Vehicle Emissions: Combustion engines in cars, trucks, and aeroplanes emit exhaust gases, including carbon monoxide and nitrogen oxides.
• Burning Fossil Fuels: The use of coal, oil, and natural gas for energy generation and heating releases pollutants and greenhouse gases.
• Agricultural Activities: Pesticides and fertilizers release chemicals, while livestock emit methane.
• Deforestation: Cutting down trees reduces the planet’s capacity to absorb pollutants.
• Waste Disposal: Improper disposal of waste leads to the release of harmful substances into the air.
• Natural Sources: Volcanic eruptions, dust storms, and wildfires can also contribute to air pollution.

Air pollution poses severe health and environmental risks. Short-term exposure can lead to respiratory issues, eye irritation, and exacerbation of pre-existing conditions. Long-term exposure is linked to chronic diseases such as lung cancer, heart disease, and respiratory disorders. 

Additionally, air pollution harms ecosystems, causing acid rain, damaging vegetation, and polluting water bodies. It also contributes to climate change by increasing greenhouse gas concentrations. Addressing air pollution is crucial to safeguard human health and protecting the planet’s ecosystems and climate.

Addressing air pollution is paramount for a healthier planet. By curbing emissions, adopting clean technologies, and fostering sustainable practices, we can safeguard our environment and public health. Here are some key points on how to tackle air pollution:

• Reduce Vehicle Emissions:
• Improve Industrial Practices
• Increase Green Spaces
• Monitor and Regulate
• Reduce Indoor Air Pollution
• Promote Renewable Energy
• Encourage Sustainable Practices
• Raise Public Awareness:
• Reduce Open Burning:
• International Cooperation:

Tackling air pollution requires a multi-faceted approach involving government policies, community engagement, and individual responsibility.

Must Read: Essay On Global Warming

Air pollution is a pressing environmental issue with far-reaching consequences. It occurs when harmful substances, such as particulate matter and toxic gases, contaminate the atmosphere. These pollutants result from various sources, including industrial emissions, vehicular exhaust, and agricultural activities.

The consequences of air pollution are severe, impacting both human health and the environment. Prolonged exposure to polluted air can lead to respiratory diseases, cardiovascular issues, and even premature death. Additionally, air pollution harms ecosystems, leading to reduced crop yields and biodiversity loss.

Mitigating air pollution requires collective efforts, including stricter emission regulations, cleaner energy sources, and promoting public awareness. By addressing this issue, we can safeguard our health and preserve the environment for future generations.

Air pollution is a pressing global issue that affects the health and well-being of people and the environment. It occurs when harmful substances, such as particulate matter, nitrogen oxides, sulfur dioxide, and volatile organic compounds, are released into the atmosphere. This pollution can have dire consequences for both humans and the planet.

First and foremost, air pollution poses a significant threat to human health. Particulate matter and toxic gases can enter the respiratory system, leading to various respiratory diseases like asthma and bronchitis. Long-term exposure to polluted air has also been linked to cardiovascular diseases, lung cancer, and premature death. Vulnerable populations such as children, the elderly, and those with pre-existing health conditions are at higher risk.

Additionally, air pollution has adverse effects on the environment. It contributes to climate change by increasing the concentration of greenhouse gases in the atmosphere, leading to rising global temperatures and more frequent extreme weather events. Moreover, pollutants can harm ecosystems, contaminate water bodies, and damage crops, impacting food security.

The sources of air pollution are diverse, including industrial processes, transportation, agriculture, and energy production. To combat this problem, governments, industries, and individuals must take collective action. Implementing stricter emission standards for vehicles and industrial facilities, transitioning to cleaner energy sources, and promoting public transportation are essential steps in reducing air pollution.

In conclusion, air pollution is a critical issue that affects human health and the environment. Its detrimental effects on respiratory health and its contributions to climate change necessitate urgent action. By adopting sustainable practices and reducing emissions, we can mitigate the impact of air pollution and create a healthier and more sustainable future for all.

Air pollution is the contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.

To prevent air pollution, reduce vehicle emissions by using public transport, carpooling, or opting for electric vehicles. Promote clean energy sources like wind and solar power. Implement strict industrial emissions standards. Encourage reforestation and green spaces. Educate the public about responsible waste disposal and advocate for clean energy policies.

We hope this blog gave you an idea about how to write and present an essay on air pollution that put forth your opinions. The skill of writing an essay comes in handy when appearing for standardized language tests. Thinking of taking one soon? Leverage Edu provides the best online test prep for the same via Leverage Live . Register today to know more!

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What Causes Air Pollution?

Credit: NASA/JPL-Caltech

Air pollution happens when solid and liquid particles—called aerosols —and certain gases end up in our air. These particles and gases can be bad for the planet and for our health, so keeping track of them is important.

Where do aerosols come from?

Any particle that gets picked up into the air or is formed from chemical reactions in the air can be an aerosol. Many aerosols enter the atmosphere when we burn fossil fuels—such as coal and petroleum—and wood. These particles can come from many sources, including car exhaust, factories and even wildfires. Some of the particles and gases come directly from these sources, but others form through chemical reactions in the air.

Aerosols can come from other places, too, such as ash from an erupting volcano. Dust, pollen from plants and mold spores are also examples of aerosols.

This animation uses NASA data to show how ash from a volcano in Chile travels around the world in our atmosphere. Credit: NASA's Goddard Space Flight Center

What else causes air pollution?

Certain gases in the atmosphere can cause air pollution. For example, in cities, a gas called ozone is a major cause of air pollution. Ozone is also a greenhouse gas that can be both good and bad for our environment. It all depends where it is in Earth’s atmosphere .

Ozone high up in our atmosphere is a good thing. It helps block harmful energy from the Sun, called radiation . But, when ozone is closer to the ground, it can be really bad for our health. Ground level ozone is created when sunlight reacts with certain chemicals that come from sources of burning fossil fuels, such as factories or car exhaust.

When particles in the air combine with ozone, they create smog. Smog is a type of air pollution that looks like smoky fog and makes it difficult to see.

Smog is a type of air pollution in cities that makes it difficult to see outside. Here are images of Beijing on a clear day after a rain (left) and on a smoggy day (right). Credit: Bobak via Wikimedia Commons CC BY-SA 2.5

How does air pollution affect Earth’s climate?

Aerosols can impact how the Sun’s light hits Earth. For example, some aerosols reflect sunlight while others absorb sunlight. It depends on the color of the particle.

Dark surfaces—whether it’s a black t-shirt or a dark particle in the atmosphere—absorb the Sun's heat. Lighter-colored surfaces reflect heat from the Sun.

A white t-shirt reflects the Sun on a hot day, making you feel cooler. In the same way, light-colored particles that reflect the Sun’s light and heat away from Earth can make the global temperature cooler. Dark-colored particles that absorb the Sun’s light can make the global temperature warmer.

How does air pollution affect our health?

Breathing in polluted air can be very bad for our health. Long-term exposure to air pollution has been associated with diseases of the heart and lungs, cancers and other health problems. That’s why it’s important for us to monitor air pollution.

How is NASA monitoring air pollution?

NASA uses satellites orbiting Earth to keep an eye on air pollution. In fact, air quality forecasters use information about aerosols from NASA’s Aqua , Terra and Suomi-NPP satellites.

NASA also is developing a new instrument called the Multi-Angle Imager for Aerosols, or MAIA , to fly aboard a future spacecraft mission. MAIA will help scientists understand the size, makeup and quantity of aerosols in our air. Eventually, scientists will be able to compare this information with health records. This can help us better understand the relationship between aerosol pollution and human health.

Related NASA Missions

ENCYCLOPEDIC ENTRY

Air pollution.

Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants. It also damages buildings.

Biology, Ecology, Earth Science, Geography

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Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants. It also damages buildings. Pollutants in the air take many forms. They can be gases , solid particles, or liquid droplets. Sources of Air Pollution Pollution enters the Earth's atmosphere in many different ways. Most air pollution is created by people, taking the form of emissions from factories, cars, planes, or aerosol cans . Second-hand cigarette smoke is also considered air pollution. These man-made sources of pollution are called anthropogenic sources . Some types of air pollution, such as smoke from wildfires or ash from volcanoes , occur naturally. These are called natural sources . Air pollution is most common in large cities where emissions from many different sources are concentrated . Sometimes, mountains or tall buildings prevent air pollution from spreading out. This air pollution often appears as a cloud making the air murky. It is called smog . The word "smog" comes from combining the words "smoke" and " fog ." Large cities in poor and developing nations tend to have more air pollution than cities in developed nations. According to the World Health Organization (WHO) , some of the worlds most polluted cities are Karachi, Pakistan; New Delhi, India; Beijing, China; Lima, Peru; and Cairo, Egypt. However, many developed nations also have air pollution problems. Los Angeles, California, is nicknamed Smog City. Indoor Air Pollution Air pollution is usually thought of as smoke from large factories or exhaust from vehicles. But there are many types of indoor air pollution as well. Heating a house by burning substances such as kerosene , wood, and coal can contaminate the air inside the house. Ash and smoke make breathing difficult, and they can stick to walls, food, and clothing. Naturally-occurring radon gas, a cancer -causing material, can also build up in homes. Radon is released through the surface of the Earth. Inexpensive systems installed by professionals can reduce radon levels. Some construction materials, including insulation , are also dangerous to people's health. In addition, ventilation , or air movement, in homes and rooms can lead to the spread of toxic mold . A single colony of mold may exist in a damp, cool place in a house, such as between walls. The mold's spores enter the air and spread throughout the house. People can become sick from breathing in the spores. Effects On Humans People experience a wide range of health effects from being exposed to air pollution. Effects can be broken down into short-term effects and long-term effects . Short-term effects, which are temporary , include illnesses such as pneumonia or bronchitis . They also include discomfort such as irritation to the nose, throat, eyes, or skin. Air pollution can also cause headaches, dizziness, and nausea . Bad smells made by factories, garbage , or sewer systems are considered air pollution, too. These odors are less serious but still unpleasant . Long-term effects of air pollution can last for years or for an entire lifetime. They can even lead to a person's death. Long-term health effects from air pollution include heart disease , lung cancer, and respiratory diseases such as emphysema . Air pollution can also cause long-term damage to people's nerves , brain, kidneys , liver , and other organs. Some scientists suspect air pollutants cause birth defects . Nearly 2.5 million people die worldwide each year from the effects of outdoor or indoor air pollution. People react differently to different types of air pollution. Young children and older adults, whose immune systems tend to be weaker, are often more sensitive to pollution. Conditions such as asthma , heart disease, and lung disease can be made worse by exposure to air pollution. The length of exposure and amount and type of pollutants are also factors. Effects On The Environment Like people, animals, and plants, entire ecosystems can suffer effects from air pollution. Haze , like smog, is a visible type of air pollution that obscures shapes and colors. Hazy air pollution can even muffle sounds. Air pollution particles eventually fall back to Earth. Air pollution can directly contaminate the surface of bodies of water and soil . This can kill crops or reduce their yield . It can kill young trees and other plants. Sulfur dioxide and nitrogen oxide particles in the air, can create acid rain when they mix with water and oxygen in the atmosphere. These air pollutants come mostly from coal-fired power plants and motor vehicles . When acid rain falls to Earth, it damages plants by changing soil composition ; degrades water quality in rivers, lakes and streams; damages crops; and can cause buildings and monuments to decay . Like humans, animals can suffer health effects from exposure to air pollution. Birth defects, diseases, and lower reproductive rates have all been attributed to air pollution. Global Warming Global warming is an environmental phenomenon caused by natural and anthropogenic air pollution. It refers to rising air and ocean temperatures around the world. This temperature rise is at least partially caused by an increase in the amount of greenhouse gases in the atmosphere. Greenhouse gases trap heat energy in the Earths atmosphere. (Usually, more of Earths heat escapes into space.) Carbon dioxide is a greenhouse gas that has had the biggest effect on global warming. Carbon dioxide is emitted into the atmosphere by burning fossil fuels (coal, gasoline , and natural gas ). Humans have come to rely on fossil fuels to power cars and planes, heat homes, and run factories. Doing these things pollutes the air with carbon dioxide. Other greenhouse gases emitted by natural and artificial sources also include methane , nitrous oxide , and fluorinated gases. Methane is a major emission from coal plants and agricultural processes. Nitrous oxide is a common emission from industrial factories, agriculture, and the burning of fossil fuels in cars. Fluorinated gases, such as hydrofluorocarbons , are emitted by industry. Fluorinated gases are often used instead of gases such as chlorofluorocarbons (CFCs). CFCs have been outlawed in many places because they deplete the ozone layer . Worldwide, many countries have taken steps to reduce or limit greenhouse gas emissions to combat global warming. The Kyoto Protocol , first adopted in Kyoto, Japan, in 1997, is an agreement between 183 countries that they will work to reduce their carbon dioxide emissions. The United States has not signed that treaty . Regulation In addition to the international Kyoto Protocol, most developed nations have adopted laws to regulate emissions and reduce air pollution. In the United States, debate is under way about a system called cap and trade to limit emissions. This system would cap, or place a limit, on the amount of pollution a company is allowed. Companies that exceeded their cap would have to pay. Companies that polluted less than their cap could trade or sell their remaining pollution allowance to other companies. Cap and trade would essentially pay companies to limit pollution. In 2006 the World Health Organization issued new Air Quality Guidelines. The WHOs guidelines are tougher than most individual countries existing guidelines. The WHO guidelines aim to reduce air pollution-related deaths by 15 percent a year. Reduction Anybody can take steps to reduce air pollution. Millions of people every day make simple changes in their lives to do this. Taking public transportation instead of driving a car, or riding a bike instead of traveling in carbon dioxide-emitting vehicles are a couple of ways to reduce air pollution. Avoiding aerosol cans, recycling yard trimmings instead of burning them, and not smoking cigarettes are others.

Downwinders The United States conducted tests of nuclear weapons at the Nevada Test Site in southern Nevada in the 1950s. These tests sent invisible radioactive particles into the atmosphere. These air pollution particles traveled with wind currents, eventually falling to Earth, sometimes hundreds of miles away in states including Idaho, Utah, Arizona, and Washington. These areas were considered to be "downwind" from the Nevada Test Site. Decades later, people living in those downwind areascalled "downwinders"began developing cancer at above-normal rates. In 1990, the U.S. government passed the Radiation Exposure Compensation Act. This law entitles some downwinders to payments of $50,000.

Greenhouse Gases There are five major greenhouse gases in Earth's atmosphere.

• water vapor
• carbon dioxide
• nitrous oxide

London Smog What has come to be known as the London Smog of 1952, or the Great Smog of 1952, was a four-day incident that sickened 100,000 people and caused as many as 12,000 deaths. Very cold weather in December 1952 led residents of London, England, to burn more coal to keep warm. Smoke and other pollutants became trapped by a thick fog that settled over the city. The polluted fog became so thick that people could only see a few meters in front of them.

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Air Pollution and Its Impact on Human Health

Common health problems associated with air pollution.

Indoor and outdoor air pollution causes several common health problems which according to the New Jersey Department of Environmental Protection (2009) are grouped according to the major pollutants. To begin with, carbon monoxide compromises the heart activities hence lethargy and fatigue. It also causes nausea, dizziness, and headaches and in large amounts may even lead to death. Nitrogen dioxide causes nasal and throat irritation and increases the risk of developing respiratory infections. Ozone causes irritation of the respiratory system leading to coughs, chest and throat pains. Particulates cause damage to respiratory tract tissues especially lung tissue leading to lung diseases. Sulfur dioxide is known to make worse existing lung diseases such as bronchitis, asthma, pneumonia and tuberculosis. Lead on the other hand causes damage to the brain and the nervous system with children being most susceptible (New Jersey Department of Environmental Protection, 2009; California Air Resources Board 2007a). From these, it is evident that air pollution has adverse common effects on the respiratory system and to some extent other body parts.

Vulnerability of children to pollutants

The most common health problems in children associated with air pollution occurs in the respiratory system. This is due to the fact that children’s respiratory system is not fully developed therefore immature. This means that the structures are weak and are prone to damage at the slightest exposure to air pollutants. The children’s health study by the California air resources board reported that children are more vulnerable to effects of air pollutants as they are exposed to more air pollution than adults as they have higher respiratory rates and are normally outdoors (California Air Resources Board 2007b). Other factors may include the underdeveloped immune system in children that is not able to effectively and efficiently fight off the effects of air pollution on the body and large surface area to volume ratio that exposes a large surface area to air pollution.

Needs assessment process and the role of Health educator

Community needs assessment is a systematic process in which the health educator, the nurse and other health care professionals together with the members of the community determine the health problems & needs of the community & develop plans of action and implement those plans. In this case the needs assessment process will be in relation to air pollution. The first step is exploration which involves mapping out the community with the purpose of obtaining baseline information that help plan for the rest of the assessment process. The second is step is planning for assessment exercise where by the necessary resources are put into place and objective designed, in this case it will be; to assess health impacts of air pollution and how to combat these effects. The third step is recruitment and training of assistants, fourth step is pretesting and reworking of the tool as it helps to detect faults and shortcomings after which corrections are made. The fifth step is execution of the assessment which basically involves actual going to the community and engaging the community into discussions and giving them the assessment tools so that they can feel it with relevant information. The sixth step is critical analysis of the findings and recommendations. The collected data is analyzed and then findings and recommendations are drawn. One of fundamental recommendation that will be made is to initiate Health Education and Promotion to combat the effects of air pollution. Health education/promotion empowers an individual with the much needed and relevant information that can be of great assistance in management of his/her health and other related issues. The health education and promotion will involve sources of air pollutants, their effects on human health, management and prevention measures. The health educator, the nurse and other stakeholders can carry out this activity with the help of the local health professionals working within the community and even train some community members who will be educating their colleagues; this creates a sense of belonging and ownership among the community members in that they will participate in the health education/promotion activities as their own. This empowers the community and the information stays with them even years after the time of carrying out the assessment. The final step is evaluation and just as in nursing process, evaluations helps in checking if the assessment was a success and whether there has been any positive impact and if interventions put in place had desired results. Evaluation also helps in knowing if the set goals and objectives were met, determining success or failure of the problem and to put corrective measure into place (Zerwekh, 112; Holloway, & Wheeler, 76; Grol 361). The health educator works hand in hand with the community health nurse and other health professionals in the above process where by he/she acts the overall supervisor.

Air pollution has adverse effects on health and majorly affects the respiratory system with children being most vulnerable due to their under developed respiratory system. Health educators are charged with the overall responsibility of overseeing planning, implementation and evaluation of education programs in the community. They also function as consultants to the other health care professionals involved in health education and promotion.

• “Air Pollutants and their health effects”. New Jersey Department of Environmental Protection. 2009. Web.
• “ Health Effects Research .” California Air Resources Board. 2007a. Web.
• The Children’s Health Study . California Air Resources Board. 2007b. Web.
• Grol R. “National standard setting for quality of care in general practice: attitudes of general practitioners and response to a set of standards.” Br J Gen Pract 40 (2000): 361–4.
• Holloway, I., & Wheeler, S. Qualitative Research in Nursing. 2nd Ed. Oxford: Blackwell Publishing, 2002.
• Zerwekh, J. Nursing Today: Transition and Trends. Philadelphia: W. B. Saunders Company, 2003.
• Chicago (A-D)
• Chicago (N-B)

IvyPanda. (2024, January 16). Air Pollution and Its Impact on Human Health. https://ivypanda.com/essays/air-pollution-and-its-impact-on-human-health/

"Air Pollution and Its Impact on Human Health." IvyPanda , 16 Jan. 2024, ivypanda.com/essays/air-pollution-and-its-impact-on-human-health/.

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IvyPanda . 2024. "Air Pollution and Its Impact on Human Health." January 16, 2024. https://ivypanda.com/essays/air-pollution-and-its-impact-on-human-health/.

1. IvyPanda . "Air Pollution and Its Impact on Human Health." January 16, 2024. https://ivypanda.com/essays/air-pollution-and-its-impact-on-human-health/.

Bibliography

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500+ Words Essay on Air Pollution

Air pollution refers to the unwanted and harmful substances in the air we breathe. These substances are known as pollutants. Air pollution can be caused by natural sources or human activities and can have serious health, environmental, and economic impacts. In recent years, air pollution has become a popular debate topic due to the decreasing quality of air. The atmosphere of Earth comprises 78% of Nitrogen, 21% of Oxygen, and 0.93% of Argon.

The causes of air pollution are both natural and man-made. Natural sources of air pollution are volcanic eruptions, wildfires, and dust storms. However, human activities like transportation, industrial activities, agricultural practices, waste management, etc. have more serious and long-term impacts on the air we breathe. An essay on air pollution is a popular academic writing topic assigned to students. To help students with their essays on air pollution, we have listed some samples in 100, 200, and 300 words. These samples will discuss the causes, consequences, and steps to reduce air pollution.

Table of Content

Essays on Air Pollution in 150 Words

Essays on air pollution in 200 words, essays on air pollution in 500 words, 10 lines on air pollution.

Air pollution poses serious environmental and health risks. It is caused by the release of harmful particles and gases in the air. This deteriorates the quality of air we breathe and poses a serious threat to the existence of all living beings on Earth. Human activities, for a long, have been the majority responsible for air pollution. These include vehicle emissions, industrial activities, and agricultural practices that release harmful pollutants into the air.

Prolonged exposure to air pollution can lead to respiratory diseases, cardiovascular problems, and even premature death. Not only this, air pollution also poses a serious threat to the environment, leading to climate change. Environmentalists, international organizations, governments, and even private organizations are collectively working to reduce air pollution. They have implemented strict, cleaner technologies, and public awareness campaigns. These concerted efforts can help improve the air quality and create a healthy environment.

With rising environmental and health concerns, air pollution has become a popular debate topic. Air pollution is caused by natural and human activities, which release harmful substances, chemicals, and gases into the air we breathe. Our once-healthy environment has become a gas chamber, causing an existential threat to every species on Earth.

Since the advent of 18th-century Industrialisation, the emission of harmful gases like hydrogen chloride, benzene, and toluene has significantly increased. According to a report by the U.S. Environmental Protection Agency, a total of 188 pollutants have been classified as hazardous.

Human activities like burning fossil fuels for energy production, vehicular emission, construction and industrial releases are the major causes of air pollution. There are natural sources also which are responsible for air pollution but their impact is limited to their respective regions. For example, during a volcanic eruption, harmful gases like water vapor (H2O), carbon dioxide (CO2), and sulfur dioxide (SO2), are released into the atmosphere. However, such natural activities do not pose a global threat.

Tackling air pollution requires global cooperation and environmentally friendly approaches. One such method is relying on renewable energy sources, rather than exhausting limited natural resources, fossil fuels. World Health Organisation, along with global governments is taking steps to switch to affordable clean household energy solutions for cooking, heating and lighting.

Air pollution is a global concern. Therefore, it requires a collective approach from all countries and their respective governments. Careful implementation of environmentally friendly and sustained approaches will surely help create an air pollution-free environment.

World Health Organisation in its 2019 report stated that 99% of the world’s population was living in places where the WHO air quality guidelines levels were not met. Air pollution is known as the releaseof unwanted harmful substances and chemicals in the air. This damages the qualities of air we breath, affecting health and detoriates the environment quality. Air pollution is responsible for millions of premature deaths every year.

Causes of Air Pollution

Air pollution is caused by both natural and man-made activities. Nature causes of air pollution are volcanic erruptions, dust storms, and wildfires. During a volcanic eruption, harm gases and chemicals like water vapor (H2O), carbon dioxide (CO2), and sulfur dioxide (SO2) are released. Also, a small amounts of hydrogen sulfide, carbon monoxide, hydrogen chloride are also released. However, natural causes of air pollution are limited to there regions and do not poses long term environmental threats.

Human activities causes are the major factors causing air pollution. Human activities like industrialisation, vehicular emission, combustion, energy production, construction, agricultural activities and waste management are major factors of air pollution. Human activities releases pollutants like Carbon Monoxide, (CO), Nitrogen Dioxide (NO2), Carbon Dioxide (CO2) and methane causes air pollution.

In metropolitan cities like New Delhi, Mumbai, Beijing, Tokyo, etc. vehicular emission and construction are major causes of air pollution. Construction sites generate dust and emissions from equipment, contributing to local air pollution.

Consequences of Air Pollution

• Air pollution has harmful consequences on human health, the environment, and the economy.
• Air pollution contributes to a wide range of health problems, including respiratory diseases, cardiovascular diseases, lung cancer, and respiratory infections. Some of these diseases are asthma, chronic obstructive pulmonary disease.
• Long-term exposure to air pollution can lead to decreased lung function, aggravation of existing health conditions, and premature death, particularly among vulnerable populations such as children, the elderly, and individuals with pre-existing health conditions.
• Our ecosystem is the first victim of air pollution. Pollutants deposited onto soil and water bodies harm plants, animals, and aquatic life.
• Acid rain, caused by sulfur dioxide and nitrogen oxides reacting with water vapor in the atmosphere, damages forests, soils, and freshwater ecosystem
• Pollutants like carbon dioxide, methane, and black carbon are all also greenhouse gases, contributing to climate change.
• The rate at which these pollutants are released in the atmosphere can lead to global warming, rising temperatures, altered weather patterns, and more frequent and intense extreme weather events.
• Air pollution also affects our economy. Investments in air pollution control measures and environmental cleanup efforts entail financial expenditures for governments, businesses, and individuals.

Steps to Reduce Air Pollution

• Policies and investments in air pollution control measures are necessary to reduce the content of pollutants.
• Switching to environmental friendly activities can significantly help reduce air pollution. Excessive use of natural resources not only depletes them but puts a stain on the environment.
• Relying on solar energy, hydro energy and wind energy can reduce them burden on coal for electricity and power generation.
• On individual level, we can practice carpooling, use public transportation, cycling, walking, or electric vehicles whenever possible.
• we can avoid unnecessary idling to maintain proper tire pressure, and combine errands to minimize trips.
• Build a habit of turning lights and electronics off when not in use. Invest in energy-efficient appliances and adjust thermostats for optimal temperature control.
• Minimize waste generation and opt for reusable products whenever possible.
• Recycling reduces the need for raw materials and lowers energy consumption during production of new goods.

Here are 10 lines on air pollution. Feel free to add themto your essay on air pollution or similar writing topics.

1. Air pollution refers to the release of harmful gases and chemicals in the air we breathe.

2. Air pollution poses serious environmental and health risks.

3. It is caused by the release of harmful particles and gases in the air.

4. The causes of air pollution are both natural and man-made.

5. Human activities, for a long, have been the majority responsible for air pollution. These include vehicle emissions, industrial activities, and agricultural practices that release harmful pollutants into the air.

6. Air pollution is a global concern and it requires a collective approach.

7. Long-term exposure to air pollution can lead to decreased lung function, aggravation of existing health conditions, and premature death.

8. According to a WHO report, 99% of the global population is breathing harmful air.

9. Human activities release pollutants like Carbon Monoxide, (CO), Nitrogen Dioxide (NO2), Carbon Dioxide (CO2) and methane causes air pollution.

10. Switching to environmentally friendly activities can significantly help reduce air pollution.

This was all about an essay on air pollution. We hope the essay samples listed above will help you with your essay writing practice. For more information on such informative articles, visit GeekforGeeks.

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Essay on Air Pollution- FAQs

How to write an essay on air pollution.

Air pollution poses serious environmental and health risks. It is caused by the release of harmful particles and gases in the air. This deteriorates the quality of the air we breathe and poses a serious threat to the existence of all living beings on Earth. Human activities, for a long, have been the majority responsible for air pollution. These include vehicle emissions, industrial activities, and agricultural practices that release harmful pollutants into the air.

What are the major causes of air pollution?

Air pollution has both natural and man-made causes. The natural causes of air pollution are volcanic eruptions, wildfires and dust storms. The man-made causes of air pollution are industrial wastes, domestic wastes, agricultural activities, vehicular emissions, construction dust, etc. The man-made causes have a greater impact on the air quality.

What is the government doing to reduce air pollution?

The Indian government launched the National Clean Air Programme (NCAP) as a long-term, time-bound, national-level strategy to fight the air pollution problem all over India in a sustainable manner. The Air (Prevention and Control of Pollution) Act, 1981 lists all the central and state rules to manage air quality and monitor pollutants released by industries, constructions, and agricultural and vehicular activities. The Central Pollution Control Board (CPCB) and the State Pollution Control Board manage these activities in their respective jurisdiction.

Is air pollution causes by natural sources?

Natural sources of air pollution are volcanic eruptions, forest fires, and dust storms. However, these natural sources of air pollution do not pose a serious threat to the global air quality.

What are some lines on air pollution?

Air pollution refers to the release of harmful gases and chemicals in the air we breathe. Air pollution poses serious environmental and health risks. The causes of air pollution are both natural and man-made. Human activities, for a long, have been the majority responsible for air pollution. These include vehicle emissions, industrial activities, and agricultural practices that release harmful pollutants into the air. Air pollution is a global concern and it requires a collective and systematic approach. Long-term exposure to air pollution can lead to decreased lung function, aggravation of existing health conditions, and premature death. Human activities release pollutants like Carbon Monoxide, (CO), Nitrogen Dioxide (NO2), Carbon Dioxide (CO2) and methane causing air pollution.

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Essay on Air Pollution: Types, Causes & Effects of Air Pollution

March 10, 2021 by Sandeep

Air Pollution Essay: Air Pollution can be defined as the presence of toxic substances in the air in such a concentration that can be hazardous to humans and their surroundings. These toxic particles are commonly known as pollutants; out of these pollutants, oxides of carbon, nitrogen and sulphur are particularly harmful.

Essay on Air Pollution in 500 Words

Below we have provided Air Pollution Essay in English, suitable for class 3, 4, 5, 6, 7, 8, 9 and 10 school students. This essay is drafted in easy and simple language.

Air Pollution is an environmental issue that poses a huge threat to billions of organisms surviving on our planet. It has been increasing at an alarming rate with an increase in the concentration of pollutants. The contamination of air by these hazardous pollutants has disrupted the natural balance in our environment. The quality of life has reduced.

Causes of Air Pollution

Two primary phenomena cause air pollution. One of them is the natural phenomenon that comprises volcanic eruptions, wildfires, radioactive elements, and volatile organic compounds. The other most crucial cause is human activity. With the increase in the number of industries, the contamination in the air automatically increases. Fuels and chemicals utilized in factories, mills, and industries release harmful chemicals to the atmosphere. These are organic compounds, gases, particulate matter, ash, and other volatile substances.

Chlorofluorocarbons, also known as CFCs, are another potent reason for air pollution. These chemicals get released from leaky refrigerants, spray tins, burning plastics and various other sources. They deplete the ozone layer and allow harmful UV rays to enter our atmosphere. This, in turn, causes serious illnesses. It is also responsible for smog in urban cities. Smog impairs visibility and can lead to accidents.

Carbon dioxide solely accounts for almost 57 percent of the air pollution. Greenhouse gases and Carbon dioxide together contribute to global warming . They also cause acid rains which are harmful to plants and man-made objects like ancient monuments.

Effects of Air Pollution

With the air quality deteriorating, our future is at stake. Increasing pollution can cause serious health hazards like cancer and cardiovascular issues. Children suffer from bronchitis and pneumonia. Irritation of the nose and throat, asthma attacks, pulmonary diseases are all outcomes of air pollution. Another significant effect of pollution is extreme climate change. Disrupting food chains, extinction of species, depleting the ozone layer are some of the grave issues we face today.

Control of Air Pollution

The Air Pollution Act forbids power sectors and high-scale industries from releasing particulate matter beyond a certain level. Chimneys, Electrostatic precipitators, and filters must be implanted to lessen the damage caused by the emissions.

People must be made aware of the grave conditions of air pollution. The government has taken a huge step to sensitize people regarding the consequences of pollution. We must do our part as well. Using the means of public transport will ensure less number of vehicles. Lesser vehicles mean lesser emission of pollutants.

Planting more and more trees can help solve this crisis. Reforestation in mining areas is also an effective step. Conservation of energy is of prime importance. Renewable energy sources like solar panels, wind turbines, hydroelectric power, and natural gas must be utilized. We must avoid burning dry leaves at our homes and must indulge in the habit of composting.

The implementation of Eco-friendly methods will ensure a cleaner and healthier environment. LPG (Liquefied Petroleum Gas), CNG (Compressed Natural Gas), and Biogas are some Eco-friendly substitutes of fuels. Together, we must strive to bring a change. Our efforts matter because they will bring in much-needed change. After all, everyone wants to live on a healthy planet.

Related Essays

Air Pollution Essay

Air pollution is a significant concern across the world. Air pollution occurs when dangerous particles, gases, and chemicals are released into the air. The pollutants of air can be found in vehicles, factories, power plants, and construction sites. Air pollution also causes smog, making it difficult to breathe or even see things as near as 100 feet. To combat this, many governments have created and enforced policies to reduce air pollution, such as shutting down coal power plants or requiring car owners to switch over to electric cars. It is high time we realise the severity of this issue and act towards avoiding air pollution. To learn more about air pollution, let us go through the air pollution essay available at BYJU’S.

Table of Contents

Air pollution essay 100 words, causes of air pollution.

Effects of Air Pollution

How to Reduce Air Pollution?

Air pollution is a concern for people all over the world. Air pollution is most often caused by burning fossil fuels like petroleum, coal, and natural gas. The exhaust fumes released by vehicles fill the air with toxic particles. Pollution can cause health problems, such as asthma, headaches and other symptoms of allergies.

The World Health Organisation has classified air pollution as an environmental risk to human health. Many countries have taken action concerning air pollution. After reading the air pollution essay 100 words and learning about air pollution, let us now move on to understand the causes.

Air pollution is caused by vehicles, factories, power plants, and trash burning. Vehicles cause air pollution by burning gasoline or diesel. The most significant cause of air pollution is burning fossil fuels to create energy like coal and oil. Air pollution can be considered a contributor to global warming , a major challenge we face today.

You can keep your little ones engaged in learning by asking them to write an essay on air pollution and create a pictorial representation of the same.

Effects of Air Pollution on Human Health

There are many harmful effects of air pollution. It causes respiratory problems and other health issues in people. It also causes lung diseases and cancer. Like any other type of pollution, the health risks of air pollution are high for any living being.

People are more likely to die from respiratory disease and lung cancer in heavily polluted areas. Air pollution causes conditions that make people more susceptible to respiratory infection and inflammation. The body can also absorb harmful substances in polluted air easily.

These are the adverse effects of air pollution that we come across in the air pollution essay pdf. There are a few preventive measures and remedies to reduce air pollution for these harmful effects. Let us understand how to reduce air pollution by referring to the air pollution essay.

Air pollution has been a critical issue for many countries. It is the second-largest contributor to drastic climate change after carbon dioxide. BYJU’S air pollution essay in English helps us learn some new ways to control air pollution.

Planting more trees is one of the significant ways to reduce air pollution. Afforestation is a much-needed action to protect our planet from further damage.

Increasing the usage of eco-friendly materials and renewable energy play a vital role in combating air pollution. In addition, eco-friendly fuels, such as compressed natural gas (CNG), biogas, liquid petroleum gas (LPG), etc. play an essential role in reducing air pollution.

To conclude, air pollution is a serious issue, and we must fight to overcome this and save the Earth . For more kids learning activities, ensure to visit BYJU’S website.

Frequently Asked Questions on Air Pollution Essay

Does afforestation help reduce air pollution.

Yes. Afforestation helps in reducing air pollution as it increases the supply of oxygen and decreases the amount of carbon dioxide in the atmosphere.

How does air pollution harm human beings?

Air pollution is hazardous for humans, and it can lead to respiratory problems and a higher risk of cardiovascular disease. It also causes heart attacks and strokes.

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Essay on Causes of Pollution in English for Children and Students

Table of Contents

The term Pollution refers to the introduction of unwanted polluting substances into the environment. These polluting substances, commonly referred to as pollutants are generated mainly due to human activities like industrialization, use of fossil fuels, radioactive leakage etc. Pollutants could be solid, liquid or gaseous forms, depending on the activities through which they are produced. These pollutants are mostly chemical and toxic in nature and get mixed with the environment, degrading its overall quality.

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Short and Long Essay on Causes of Pollution in English

We have provided below Short and Long Essay on Causes of Pollution in English for your information and knowledge. The essays have been written in simple yet effective English language so that you can easily memorize them and present them when needed. After going through these essays, you will know the causes of pollution; how industries and vehicles cause pollution; how littering causes pollution etc. You will also know about the conventional and natural causes of pollution. The essays will be extremely helpful in your school/college assignments and speech giving, essay writing or debate competitions.

Causes of Pollution Essay 1 (200 Words)

There are several human activities that lead to the pollution of the environment. Widespread development and population growth throughout the world has resulted in increased human activities like industrialization, urbanization, deforestation among others.

Each of stated activities affects the environment in its own way. For example, industrialization causes the contamination of air and water bodies, as a lot of toxic byproducts are produced both in gaseous as well as liquid forms, by the production industries. In the absence of proper management, these pollutants are left into the environment, resulting in pollution of air and water bodies.

Similarly, transport vehicles use fossil fuel, which on burning produces harmful gases like CO (Carbon Monoxide), CO 2 (Carbon dioxide) etc. These gases again mix with the atmospheric air, causing air pollution.

Human activities like deforestation didn’t directly contribute to the pollution; nevertheless it reduces the earth’s capacity to tackle with pollution. Forests act as natural buffer zones and air filters. They absorb noise pollution and also exchange CO 2 with much needed O 2 (Oxygen). When more forests are cut down it results in increased atmospheric concentration of these toxic gases, which has a adverse effect on human health as well as on the health of the flora and fauna.

Causes of Pollution Essay 2 (300 Words)

Introduction

When an unwanted substance enters the otherwise natural and pure environment, this phenomenon is termed as pollution. There are many factors that cause pollution and almost all of them are human induced. The natural pollutants causing potential harm to the environment are negligible.

Causes of Pollution

Below we have discussed some of the main factors causing pollution of the environment. All of the factors involve human activities and man’s need to expand, explore and grow.

1) Industrialization

Man’s quest for economical growth has led to cluster of industries all over the globe. These manufacturing industries emit toxic fumes as byproduct, which are emitted into the environment.

Industrial emission may contain toxic gases, chemicals and solids as well. Due to lack of effective policies, these substances are freely emitted into the environment, by the industries, consequently causing environmental pollution.

2) Use of Fossil Fuel

Transportation vehicles use fossil fuels as their main fuel. Burning of fossil fuels produces gases like Carbon dioxide (CO 2 ) and Carbon Monoxide (CO) as byproduct. More number of vehicles plying on road means more quantity of these toxic gases in the atmosphere.

Also the industries producing fossil fuels generate toxic gaseous compound which are very harmful to the environment.

3) Littering

Littering is another most common cause for the environmental pollution. Littering happens when common household waste or urban waste, to be more specific, reaches our natural environment, due to the lack of effective waste management methods.

The urban waste consists of toxic compounds like polythene, glass, lead, garbage etc. This trash reaches our soil and water bodies, resulting in their pollution.

4) Agricultural Activities

Agricultural activities like use of chemical fertilizers contaminate the soil resulting in its pollution. Modern fertilizers use chemicals those may temporary boost up crop yield yet in the long run are harmful to the environment.

These chemicals get mixed with the soil and later get washed away as runoff into our water bodies or ground water resources.

Pollution is a vast subject involving several triggering factors and same as many implications. There is a need to look into each and every factor causing pollution and to take necessary preventive measures.

Causes of Pollution Essay 3 (400 Words)

The causes of pollution are not only limited to the conventional pollutants like Carbon Dioxide (CO 2 ) and Carbon Monoxide (CO) emitted from burning of fossil fuels by transportation vehicles, rather a number of other factors are responsible for causing environmental pollution.

What are the Reasons of Increasing Pollution

Below we have discussed some of the unconventional reasons/causes of pollution.

1) Heavy Machinery and Equipments

I this ever expanding world, new constructions are being build every minute; transportation vehicles and huge jet liners are transporting men and machinery from one place to other within a matter of few hours. These heavy machineries used for the construction work and aircrafts are the main source of noise pollution. Though, noise pollution isn’t considered as serious as air and water pollution, nevertheless it has its own impact on human health and the environment as well.

2) Excessive Use of Light

Excess use of unwanted light in areas of urban settlements causes light pollution. Lights glow up areas where it is not required, often also interfering with each other. Moreover, there are too many lights pointing at a particular place, which requires less light. The presence of excess light over a particular area is termed as light pollution. Though, light is one of the most neglected causes of pollution, yet it has many degrading effects on the environment and its inhabitants.

3) Urban Runoff

Urban runoff is one of the main causes of pollution in and around human settlements. Urban runoff consists of a variety of solid and liquid pollutants, often toxic in nature. It also contains harmful chemicals from agricultural fields using chemical fertilizers. Urban runoff is the main cause of air, water and soil pollution, in and around the urban settlement.

4) Excessive Use of Plastic

Excess use of plastic as bags and in the form of other consumable materials is also one of the main causes of environmental pollution. Plastic is non biodegradable and as it is stays in the environment for centuries to come. Thin plastic bags get broken into small pieces and reaches the soil and water bodies, resulting in their pollution.

Pollution is caused by several human induced activities. There is a need to put an effective policy in place to curb the harmful effect of pollution on the environment. This could only be achieved by sheer will and determination of the government agencies and the people alike.

Causes of Pollution Essay 4 (500 Words)

As we all know that pollution refers to the contamination of our natural environment by an contaminant or pollutant, mainly generated due to human activity. There are some conventional causes of pollution like the use of fossil fuels by vehicles and also non conventional causes like volcanoes, forest fires etc.

Types of Causes of Pollution

The causes of pollution can be classified into two categories – human induced pollution and natural pollution. Below we will briefly discuss the two types of causes of pollution.

Human Induced Pollution

1) Vehicle Exhaust Fumes

Fumes emitted by the exhaust of vehicles are the main cause of air pollution in an urban area. Vehicles use petrol or diesel, which upon combustion produces Carbon Monoxide (CO). CO is toxic in nature and causes irreparable damage to the environment and human health as well.

2) Power Plants

Apart from the vehicles using fossil fuels, power plants also use great quantities of fossil fuels, resulting in environmental damage. During the whole process of fossil fuel burning in a power plant, Sulphur Dioxide (SO 2 ) is produced, which gets mixed with water vapor present in the atmosphere and causes a phenomenon called Acid Rain. Acid Rain is very damaging to the flora and fauna of the environment.

3) Industrial Exhaust

Industrial Exhaust is one of the main causes of pollution of the environment. Industries emit harmful gases as byproducts into the environment. Some of them even release liquid chemical pollutants and other hazardous solid compounds, into the nearby water bodies. This causes huge damage to the natural water resource and contaminates it, also threatening the life of flora and fauna and aquatic plants and animals.

4) Construction Activities

Incessant construction activities are one of the main causes of air pollution in an urban area. Activities like grinding, foundation digging, sump construction, transportation results in very small particles of dust being mixed with air. These particle are called Particulate Matter (PM) and just remain suspended in the air, for hours, sometimes even for days. Air with more than prescribed quantity of Particulate Matter is hazardous to breathe and may cause serious respiratory ailments.

Natural Causes of Pollution

There are also some natural causes of pollution, which cause huge damage to the environment. Though, they are not consistent in appearance, yet, they cause considerable damage to the environment.

Some of the natural causes of the environmental pollution are volcanoes, forest fires, dust storms. During the volcanic eruption and forest fires large quantities of toxic gases are released causing damage to the environment.

There is a need to immediately limit the effects of pollution as it is destroying the environment with every passing minute. Not only the pollution is contaminating our natural resources it also threatens the very existence of life on earth.

It is a collective responsibility of everyone to take necessary action towards preventing any further damage to the environment. This could be achieved by decreasing waste and introducing new and effective waste disposal and management techniques.

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One Thing Most Countries Have in Common: Unsafe Air

New research found that fewer than 10 percent of countries and territories met World Health Organization guidelines for particulate matter pollution last year.

By Delger Erdenesanaa

Only 10 countries and territories out of 134 achieved the World Health Organization’s standards for a pervasive form of air pollution last year, according to air quality data compiled by IQAir , a Swiss company.

The pollution studied is called fine particulate matter, or PM2.5, because it refers to solid particles less than 2.5 micrometers in size: small enough to enter the bloodstream. PM2.5 is the deadliest form of air pollution, leading to millions of premature deaths each year .

“Air pollution and climate change both have the same culprit, which is fossil fuels,” said Glory Dolphin Hammes, the CEO of IQAir’s North American division.

The World Health Organization sets a guideline that people shouldn’t breathe more than 5 micrograms of fine particulate matter per cubic meter of air, on average, throughout a year. The U.S. Environmental Protection Agency recently proposed tightening its standard from 12 to 9 micrograms per cubic meter.

The few oases of clean air that meet World Health Organization guidelines are mostly islands, as well as Australia and the northern European countries of Finland and Estonia. Of the non-achievers, where the vast majority of the human population lives, the countries with the worst air quality were mostly in Asia and Africa.

Where some of the dirtiest air is found

The four most polluted countries in IQAir’s ranking for 2023 — Bangladesh, Pakistan, India and Tajikistan — are in South and Central Asia.

Air quality sensors in almost a third of the region’s cities reported concentrations of fine particulate matter that were more than 10 times the WHO guideline. This was a proportion “vastly exceeding any other region,” the report’s authors wrote.

The researchers pointed to vehicle traffic, coal and industrial emissions, particularly from brick kilns, as major sources of the region’s pollution. Farmers seasonally burning their crop waste contribute to the problem, as do households burning wood and dung for heat and cooking.

China reversed recent gains

One notable change in 2023 was a 6.3 percent increase in China’s air pollution compared with 2022, after at least five years of improvement. Beijing experienced a 14 percent increase in PM2.5 pollution last year.

The national government announced a “war against pollution” in 2014 and had been making progress ever since. But the sharpest decline in China’s PM2.5 pollution happened in 2020, when the coronavirus pandemic forced much of the country’s economic activity to slow or shut down. Ms. Dolphin Hammes attributed last year’s uptick to a reopening economy.

And challenges remain: Eleven cities in China reported air pollution levels last year that exceeded the WHO guidelines by 10 times or more. The worst was Hotan, Xinjiang.

Significant gaps in the data

IQAir researchers analyze data from more than 30,000 air quality monitoring stations and sensors across 134 countries, territories and disputed regions. Some of these monitoring stations are run by government agencies, while others are overseen by nonprofit organizations, schools, private companies and citizen scientists.

There are large gaps in ground-level air quality monitoring in Africa and the Middle East, including in regions where satellite data show some of the highest levels of air pollution on Earth.

As IQAir works to add data from more cities and countries in future years, “the worst might be yet to come in terms of what we’re measuring,” Ms. Dolphin Hammes said.

Wildfire smoke: a growing problem

Although North America is one of the cleaner regions in the world, in 2023 wildfires burned 4 percent of Canada’s forests, an area about half the size of Germany, and significantly impaired air quality.

Usually, North America’s list of most polluted cities is dominated by the United States. But last year, the top 13 spots all went to Canadian cities, many of them in Alberta.

In the United States, cities in the Upper Midwest and the Mid-Atlantic states also got significant amounts of PM2.5 pollution from wildfire smoke that drifted across the border.

Risks of short-term exposure

It’s not just chronic exposure to air pollution that harms people’s health.

For vulnerable people like the very young and old, or those with underlying illnesses, breathing in large amounts of fine particulate pollution for just a few hours or days can sometimes be deadly. About 1 million premature deaths per year can be attributed to short-term PM2.5 exposure, according to a recent global study published in The Lancet Planetary Health.

The problem is worst in East and South Asia, as well as in West Africa.

Without accounting for short-term exposures, “we might be underestimating the mortality burden from air pollution,” said Yuming Guo, a professor at Monash University in Melbourne, Australia, and one of the study’s authors.

U.S. disparities widen

Within individual countries, air pollution and its health effects aren’t evenly distributed.

Air quality in the United States has generally been improving since the Clean Air Act of the 1970s. Last decade, premature deaths from PM2.5 exposure declined to about 49,400 in 2019, down from about 69,000 in 2010.

But progress has happened faster in some communities than in others. Racial and ethnic disparities in air pollution deaths have grown in recent years, according to a national study published this month .

The census tracts in the United States with the fewest white residents have about 32 percent higher rates of PM2.5-related deaths, compared with those with the most white residents. This disparity in deaths per capita has increased by 16 percent between 2010 and 2019.

The study examined race and ethnicity separately, and found the disparity between the census tracts with the most and least Hispanic residents grew even more, by 40 percent.

In IQAir’s rankings, the United States is doing much better than most other countries. But studies that dig deeper show air quality is still an issue, said Gaige Kerr, a research scientist at George Washington University and the lead author of the disparities paper published in the journal Environmental Health Perspectives. “There’s still a lot of work to do,” he said.

Dr. Kerr’s research showed that mortality rates were highest on the Gulf Coast and in the Ohio River Valley, in areas dominated by petrochemical and manufacturing industries. He also noted that researchers have seen a slight uptick in rates of PM2.5-related deaths starting around 2016, particularly in the Western states, likely because of increasing wildfires.

Delger Erdenesanaa is a reporter covering climate and the environment and a member of the 2023-24 Times Fellowship class, a program for journalists early in their careers. More about Delger Erdenesanaa

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The Effects of Climate Change

The effects of human-caused global warming are happening now, are irreversible for people alive today, and will worsen as long as humans add greenhouse gases to the atmosphere.

• We already see effects scientists predicted, such as the loss of sea ice, melting glaciers and ice sheets, sea level rise, and more intense heat waves.
• Scientists predict global temperature increases from human-made greenhouse gases will continue. Severe weather damage will also increase and intensify.

Earth Will Continue to Warm and the Effects Will Be Profound

Global climate change is not a future problem. Changes to Earth’s climate driven by increased human emissions of heat-trapping greenhouse gases are already having widespread effects on the environment: glaciers and ice sheets are shrinking, river and lake ice is breaking up earlier, plant and animal geographic ranges are shifting, and plants and trees are blooming sooner.

Effects that scientists had long predicted would result from global climate change are now occurring, such as sea ice loss, accelerated sea level rise, and longer, more intense heat waves.

The magnitude and rate of climate change and associated risks depend strongly on near-term mitigation and adaptation actions, and projected adverse impacts and related losses and damages escalate with every increment of global warming.

Intergovernmental Panel on Climate Change

Some changes (such as droughts, wildfires, and extreme rainfall) are happening faster than scientists previously assessed. In fact, according to the Intergovernmental Panel on Climate Change (IPCC) — the United Nations body established to assess the science related to climate change — modern humans have never before seen the observed changes in our global climate, and some of these changes are irreversible over the next hundreds to thousands of years.

Scientists have high confidence that global temperatures will continue to rise for many decades, mainly due to greenhouse gases produced by human activities.

The IPCC’s Sixth Assessment report, published in 2021, found that human emissions of heat-trapping gases have already warmed the climate by nearly 2 degrees Fahrenheit (1.1 degrees Celsius) since 1850-1900. 1 The global average temperature is expected to reach or exceed 1.5 degrees C (about 3 degrees F) within the next few decades. These changes will affect all regions of Earth.

The severity of effects caused by climate change will depend on the path of future human activities. More greenhouse gas emissions will lead to more climate extremes and widespread damaging effects across our planet. However, those future effects depend on the total amount of carbon dioxide we emit. So, if we can reduce emissions, we may avoid some of the worst effects.

The scientific evidence is unequivocal: climate change is a threat to human wellbeing and the health of the planet. Any further delay in concerted global action will miss the brief, rapidly closing window to secure a liveable future.

Here are some of the expected effects of global climate change on the United States, according to the Third and Fourth National Climate Assessment Reports:

Future effects of global climate change in the United States:

U.S. Sea Level Likely to Rise 1 to 6.6 Feet by 2100

Global sea level has risen about 8 inches (0.2 meters) since reliable record-keeping began in 1880. By 2100, scientists project that it will rise at least another foot (0.3 meters), but possibly as high as 6.6 feet (2 meters) in a high-emissions scenario. Sea level is rising because of added water from melting land ice and the expansion of seawater as it warms. Image credit: Creative Commons Attribution-Share Alike 4.0

Climate Changes Will Continue Through This Century and Beyond

Global climate is projected to continue warming over this century and beyond. Image credit: Khagani Hasanov, Creative Commons Attribution-Share Alike 3.0

Hurricanes Will Become Stronger and More Intense

Scientists project that hurricane-associated storm intensity and rainfall rates will increase as the climate continues to warm. Image credit: NASA

More Droughts and Heat Waves

Droughts in the Southwest and heat waves (periods of abnormally hot weather lasting days to weeks) are projected to become more intense, and cold waves less intense and less frequent. Image credit: NOAA

Longer Wildfire Season

Warming temperatures have extended and intensified wildfire season in the West, where long-term drought in the region has heightened the risk of fires. Scientists estimate that human-caused climate change has already doubled the area of forest burned in recent decades. By around 2050, the amount of land consumed by wildfires in Western states is projected to further increase by two to six times. Even in traditionally rainy regions like the Southeast, wildfires are projected to increase by about 30%.

Changes in Precipitation Patterns

Climate change is having an uneven effect on precipitation (rain and snow) in the United States, with some locations experiencing increased precipitation and flooding, while others suffer from drought. On average, more winter and spring precipitation is projected for the northern United States, and less for the Southwest, over this century. Image credit: Marvin Nauman/FEMA

Frost-Free Season (and Growing Season) will Lengthen

The length of the frost-free season, and the corresponding growing season, has been increasing since the 1980s, with the largest increases occurring in the western United States. Across the United States, the growing season is projected to continue to lengthen, which will affect ecosystems and agriculture.

Global Temperatures Will Continue to Rise

Summer of 2023 was Earth's hottest summer on record, 0.41 degrees Fahrenheit (F) (0.23 degrees Celsius (C)) warmer than any other summer in NASA’s record and 2.1 degrees F (1.2 C) warmer than the average summer between 1951 and 1980. Image credit: NASA

Arctic Is Very Likely to Become Ice-Free

Sea ice cover in the Arctic Ocean is expected to continue decreasing, and the Arctic Ocean will very likely become essentially ice-free in late summer if current projections hold. This change is expected to occur before mid-century.

U.S. Regional Effects

Climate change is bringing different types of challenges to each region of the country. Some of the current and future impacts are summarized below. These findings are from the Third 3 and Fourth 4 National Climate Assessment Reports, released by the U.S. Global Change Research Program .

• Northeast. Heat waves, heavy downpours, and sea level rise pose increasing challenges to many aspects of life in the Northeast. Infrastructure, agriculture, fisheries, and ecosystems will be increasingly compromised. Farmers can explore new crop options, but these adaptations are not cost- or risk-free. Moreover, adaptive capacity , which varies throughout the region, could be overwhelmed by a changing climate. Many states and cities are beginning to incorporate climate change into their planning.
• Northwest. Changes in the timing of peak flows in rivers and streams are reducing water supplies and worsening competing demands for water. Sea level rise, erosion, flooding, risks to infrastructure, and increasing ocean acidity pose major threats. Increasing wildfire incidence and severity, heat waves, insect outbreaks, and tree diseases are causing widespread forest die-off.
• Southeast. Sea level rise poses widespread and continuing threats to the region’s economy and environment. Extreme heat will affect health, energy, agriculture, and more. Decreased water availability will have economic and environmental impacts.
• Midwest. Extreme heat, heavy downpours, and flooding will affect infrastructure, health, agriculture, forestry, transportation, air and water quality, and more. Climate change will also worsen a range of risks to the Great Lakes.
• Southwest. Climate change has caused increased heat, drought, and insect outbreaks. In turn, these changes have made wildfires more numerous and severe. The warming climate has also caused a decline in water supplies, reduced agricultural yields, and triggered heat-related health impacts in cities. In coastal areas, flooding and erosion are additional concerns.

1. IPCC 2021, Climate Change 2021: The Physical Science Basis , the Working Group I contribution to the Sixth Assessment Report, Cambridge University Press, Cambridge, UK.

2. IPCC, 2013: Summary for Policymakers. In: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA.

3. USGCRP 2014, Third Climate Assessment .

4. USGCRP 2017, Fourth Climate Assessment .

Related Resources

A Degree of Difference

So, the Earth's average temperature has increased about 2 degrees Fahrenheit during the 20th century. What's the big deal?

What’s the difference between climate change and global warming?

“Global warming” refers to the long-term warming of the planet. “Climate change” encompasses global warming, but refers to the broader range of changes that are happening to our planet, including rising sea levels; shrinking mountain glaciers; accelerating ice melt in Greenland, Antarctica and the Arctic; and shifts in flower/plant blooming times.

Is it too late to prevent climate change?

Humans have caused major climate changes to happen already, and we have set in motion more changes still. However, if we stopped emitting greenhouse gases today, the rise in global temperatures would begin to flatten within a few years. Temperatures would then plateau but remain well-elevated for many, many centuries.

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How one German village exemplifies the cancer risk from wood burning

Residential heating with wood or coal can lead to significant air pollution, even in rural communities, researchers say

In autumn 2018, a shipping container full of air pollution measurement equipment arrived in the centre of the small German village of Melpitz.

Dr Dominik van Pinxteren of the Leibniz Institute for Tropospheric Research explained the reason for their investigation: “We were concerned that wood burning could be an important source of particle pollution in small villages, but these areas are not adequately covered by official air quality monitoring networks.”

Located in Saxony and surrounded by agricultural land and pasture, Melpitz is home to about 200 people. They live in 63 houses, mostly heated by oil or wood central heating, with a small number of homes using coal.

The researchers found that wintertime particle pollution in the village was often double that in the nearby fields. The air was worst at the weekends when smoke from stoves added to the pollution mixture. For the villagers, the risk from the extra particle pollution was estimated to be half as high as their risk of death in a traffic accident.

The air in Melpitz contained cancer-causing polycyclic aromatic hydrocarbons , which are persistent pollutants in wood and coal smoke. The cancer risk from these exposures was similar to that in major European cities, including Athens and Florence.

Van Pinxteren said the findings were significant: “Residential heating with wood can lead to significant pollution, even in small villages. The emissions take place where people are living. Everyone – from young to old – is inevitably affected because we all breathe the same air.”

Recent data from a village in Slovenia and a study of three small towns in Ireland show that the situation in Melpitz is likely to be replicated in many rural areas. This includes the UK, where the proportion of rural homes that burn wood and coal is twice that in cities.

Another new study has looked at health impacts inside Irish homes that burn wood, coal and peat – most of them in rural towns and villages. Elderly people who heated their homes with open fires had a 2.3 times greater risk of respiratory disease compared with those that used closed stoves. This impact was on top of the effects of tobacco smoking, childhood lung problems and dampness in the home, all of which were important contributors in their own right.

As a group, people with central heating also had an increased risk. This was thought to be due to the large number of Irish homes with central heating who also used open fires for secondary heating.

An earlier study in Ireland also linked indoor smoke from open fires to accelerated cognitive decline, and US a study found that heating a home with a wood stove or fireplace increased the risk of lung cancer by 43% .

There is clearly an urgent need for better data, and for actions to reduce exposure to wood and coal pollution in rural communities across Europe.

Tessa Bartholomew-Good, from the charity Global Action Plan , said: “Public awareness of the harms of domestic burning is still too low. The first step should be to highlight these harms to consumers. For example, introducing health warning labels for both stoves and solid fuels like wood, coal and alternative fuel, similar to the ways used to land the public health harms of smoking.”

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Why Tennessee lawmakers are pushing a bill to keep government from spraying the sky

The baseless ‘chemtrails’ accusation is going increasingly mainstream.

Republican state lawmakers are going after a new threat they say could cause harm to the environment — and playing into a baseless claim at the same time.

In a Tennessee bill passed by the state Senate last week, lawmakers targeted geoengineering, an experimental — and controversial — practice not yet in use that could help cool the planet amid climate change.

But the text of the bill can also be seen as referring to “chemtrails,” plumes of toxic chemicals that believers of the unfounded claim say governments and corporations are spewing into the sky.

Now, the confusion between solar geoengineering and chemtrails threatens to muddy the waters around nascent geoengineering research, chilling potential studies, scientists say. It’s the latest example of how spreaders of disinformation can latch on to reality to pursue their agenda, confounding public opinion on the issue.

Also last week, Pennsylvania state Sen. Doug Mastriano (R) — who has posted on social media about the chemtrails accusation — announced in a memo his intention to propose legislation to mirror the Tennessee bill.

“In my view, the basic idea has morphed,” said Holly Jean Buck, a professor of environment and sustainability at the University at Buffalo.

What are ‘chemtrails?’

The theory of “chemtrails” has been around for several decades; online essays connecting commercial aircraft to chemical spraying and weather modification appeared in the late ’90s. According to chemtrails believers, the government or another shadowy force is using commercial aircraft to release chemicals into the atmosphere — for anything from weather modification to mass mind control.

Believers of this baseless claim often point to the white lines in the sky from commercial planes as evidence for “chemtrails,” arguing that the clouds look different or are behaving strangely.

Those lines are, in fact, airline contrails — or condensation trails created by the warm air from the aircraft engine interacting with the cold air in the atmosphere.

According to a study published in 2017, 10 percent of Americans believed the chemtrails theory to be “completely” true, while an additional 20 to 30 percent found it to be “somewhat” true.

In the last few years, however, experts say the claim has changed. Some now say that chemtrails are being used to carry out solar geoengineering — and that researchers and government employees investigating solar geoengineering are part of the larger scheme.

“In recent years, it’s shifted quite a bit toward the idea that climate geoengineering or solar radiation management is actually happening and involving various chemicals,” Buck said.

What do ‘chemtrails’ have to do with geoengineering?

Solar geoengineering is an emerging field of research on how to cool the planet in the face of climate change. Scientists have suggested that spraying sulfur particles into the atmosphere could help reflect sunlight, cooling the planet, though the technology remains controversial and untested, as researchers worry about potential unintended consequences .

Last year, the White House released a federally mandated report on the state of the science of solar geoengineering; some start-ups have also begun experimenting with the science.

Experts say broader discussion of geoengineering has made believers of chemtrails feel validated in their concerns.

Buck recalls attending a town hall in California last year where organizers passed out fliers with chemtrails content on one side and material about the Solar Geoengineering Non-Use Agreement — an academic initiative — on the other. “They were drawing inspiration from the language and feeling validated by the academic community,” Buck said.

No academic or scientific group is doing significant outdoor research into geoengineering. But some believe such geoengineering experiments are already happening and widespread.

The Tennessee bill , sponsored by state Sen. Steve Southerland (R) and state Rep. Monty Fritts (R), says that “it is documented” that the federal government or other entities “may conduct geoengineering experiments by intentionally dispersing chemicals into the atmosphere.” The bill prohibits the release of chemicals “with the express purpose of affecting temperature, weather, or the intensity of sunlight.” The bill has not passed the Tennessee House.

Mastriano, the Pennsylvania state senator, published a memo last week saying he would introduce a similar bill. “My legislation will … ban the injection, release, or dispersion of chemicals, chemical compounds, or substances within the borders of Pennsylvania into the atmosphere for purposes of affecting temperature, weather, or intensity of sunlight,” he wrote.

Southerland, Mastriano and Fritts did not respond to requests for comment.

In a Facebook post last year, Mastriano posted a picture of airplane contrails with the caption: “I have legislation to stop this.” The post continued, “Normal contrails dissolve / evaporate within 30-90 seconds.”

(Contrails freeze and turn to ice, which is why they last longer than 30 seconds to 90 seconds.)

Gernot Wagner, a climate economist at the Columbia Business School, said his research has shown that most of the geoengineering discussion on social media involves disinformation. “Between half and two-thirds of discourse online [on geoengineering] is conspiratorial,” Wagner said. “That is unfortunate, because there are real pollution problems out there.”

The risk, experts say, is that discussion of such unfounded claims may get in the way of real public discussion about solar geoengineering research. At the moment, chemtrails accusations interact and meld with concerns over legitimate academic research, creating more confusion and blocking further scientific research. “It could have some unintended consequences,” Wagner said.

Buck says chemtrail groups have begun to organize themselves like a social movement, filing lawsuits and getting legislation proposed. “They’re using the same tactics that other social movements use,” she explained. “All that is to say that this is not a fringe movement, but a real political force.”

More on climate change

Understanding our climate: Global warming is a real phenomenon , and weather disasters are undeniably linked to it . As temperatures rise, heat waves are more often sweeping the globe — and parts of the world are becoming too hot to survive .

What can be done? The Post is tracking a variety of climate solutions , as well as the Biden administration’s actions on environmental issues . It can feel overwhelming facing the impacts of climate change, but there are ways to cope with climate anxiety .

Inventive solutions: Some people have built off-the-grid homes from trash to stand up to a changing climate. As seas rise, others are exploring how to harness marine energy .

What about your role in climate change? Our climate coach Michael J. Coren is answering questions about environmental choices in our everyday lives. Submit yours here. You can also sign up for our Climate Coach newsletter .

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