Air Pollution Free Essay

A cause and effect essay is a type of essay that explains why the event or the situation occurs (causes) and the results of its happening (effects).  Writing a cause and effect essay takes students lots efforts cause the main idea of writing such an essay is to examine the reasons and the results of the phenomenon. But as for the structure, a cause and effect essay outline is simple: introduction, body paragraphs, and conclusion. If you are assigned to write a cause and effect essay here is a list of great cause and effect essay topics.


In case you are looking for cause and effect essay examples, you can read the one below.

Air Pollution Poignant Matters

Air pollution refers to a chemical, physical or biological alteration to the atmospheric air. It results whenever harmful gasses, smoke, or dust enters the atmosphere and in turn, hinders the survival of animals and plants as the air contains toxic substances.

The survival of human beings and animals greatly depend on the combination of gasses in the atmosphere; slight disruption of this composition can cause devastating effects on their existence. An imbalance in these atmospheric gasses is known to result in global warming, a great threat to the contemporary world. We cannot underestimate the effects air pollution has on the ozone layer which largely contributes to the existence of organisms on the planet.

Causes of Air Pollution

For the causes of air pollution to be well articulated, it is important to delve into the types of air pollutants. Air pollutants can be caused by secondary and primary sources. If a process directly results to pollution, then this forms the primary source. For instance, factories emit sulfur dioxide which is a primary source of air pollution. Reactions and interactions between primary sources form the secondary pollutant. For instance, the intermingling of primary pollutants forms smog which is a secondary pollutant.

Burning of fossil fuels

The main cause of air pollution is burning of coal, gasoline, petroleum, and other fossil fuels. These fuels are the main cause of acid rain, smog, greenhouse gas emissions, and presence of heavy metals in the air.

Fossil fuels form an important part of the society; they are used in transportation, heating, manufacturing, and even in electricity generation. This makes them an important part of the society making it difficult (but not uncontrollable) to curtail. In modern society, the use of fossil fuels can be made so that its burning becomes efficient, but this comes with a monetary cost. It is important to note that unless alternative cleaner option is found, we will have the future facing the same problems of pollution.

Increased use of motor vehicles, and emission of nitrogen

Vehicles use fuel which sometimes is not completely burnt in the engine; therefore, they release VOCs (Volatile Organic Chemicals) into the air. VOCs and nitrogen are a common source of air pollution.

Decomposition of garbage and solid wastes

Disposal sites containing biodegradable substances are known to emit methane gas into the atmosphere. Methane gas is known to be a harmful gas, it is highly flammable and a potential disaster to the ozone layer. Garbage and other household products release VOCs to the air.

Natural causes

Air pollution can come from natural sources such as dust, wildfires, and volcanic activity. Wildfire is known to emit VOCs and particulates into the atmosphere. Volcanic eruptions spew sulfur dioxide and volcanic ash into the atmosphere. Volcanic ash is usually dumped in the upper atmosphere, and as a result, global temperatures are lowered. However, pollution resulting from natural causes remains in the atmosphere for a short period and does not result in a permanent change as it might be the case with human activity-based pollution.

Effects of Air Pollution

1. Respiratory infections

Air pollution is the leading cause of respiratory diseases. Exposure to air pollutants can cause lung cancer and even asthma. Asthma can lead to death if not well treated, as it might cause difficulty in breathing. A prolonged exposure of pollutants can cause lung cancer.

2. Global warming

The rise in sea level, rising temperature in the world, and the melting of ice glaciers are the evidence for the global warming. Global warming is a direct effect of air pollution in the world. The only way to curb this increasingly destructive menace is to reduce air pollution.

3. Depletion of ozone layer

With the greenhouse effect which is the major contributor of the release of chlorofluorocarbon into the atmosphere has led to the depletion of ozone layer. This layer is important in shielding the earth from the destructive ultraviolet (UV) radiations.

4. Formation of acid rain

Emission of harmful gasses such as sulfur dioxide and nitrogen into the atmosphere lead to the formation of acid rain. It is quite common for rain water to have sulfuric acid due to rampant cases of air pollution in the modern society. Acid rain is a major threat to the aquatic life as well as human beings.

There are carcinogenic substances in the acid rain, and it has devastating effects to even metal which can be observed by the extent of corrosion that often results.

5. Eutrophication

Air pollutants such as nitrogen oxide speed up the growth of algae on the water surface. This growth competes with aquatic life for oxygen, therefore, posing a major threat to fishing. The only way to reduce the devastating effects of air pollution will be to come up with effective ways of reducing air pollution.

Earth’s atmosphere has a self-regulating mechanism that ensures sequestration of carbon among other pollutants. The mechanism works to ensure that the ecosystem is not affected by the changes occurring in the atmosphere. However, if people continue to add more pollutants than the earth is able to remove, then the response will be increased smog, acid rain, global warming and a number of health problems.

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Air Pollution Should Be Taken More Seriously - With A Free Essay Review

E. Blake; Professor Laffont; April 13, 2012

Air Pollution should be taken more seriously

Air pollution is constantly affecting the earth in ways that are both visible and invisible. Humans tend to forget how harmful air pollution is. Therefore, they are less attentive about the future consequences such as, health problems, global warming, damages of natural habitats and the eco-system being demolished. Limited amount of effort is being put into making it better for the Earth, and for living organism to survive. Air pollution is caused by two main sources. The primary source, which is from human activities such as, smog being released, toxic chemicals being exposed to the air, emission from vehicles. And the secondary sources that are natural sources like volcanic eruptions, pollen dispersal, and accumulation of waste in dumps, etc. Air is vital to the earth, without good air, it will be hard to sustain life. No one wants to see the earth swept away over a situation that could have been avoided. The less attention we put towards it, the greater the future consequences.

The health effects of air pollution are skin cancer, asthma, bronchitis, etc. When pollutants are exposed to the atmosphere, it causes the ozone layer to become thinner. The thinner the ozone becomes, the hotter it gets. This heat from the sun can lead to a mass increase of skin cancer. Taking in contaminated air aggravates the throat and make it difficult to breath. If good air is not supplied to the lung, the aftermath can result to bronchitis or asthma. Many people suffer from bronchitis and asthma today because of the bad air they inhale. Air pollution also triggers health problems that already exist such as respiratory disease and can lead to death. It plays a major role in global warming. “Carbon dioxide, a greenhouse gas, is the main pollutant that is warming Earth. Though living things emit carbon dioxide when they breathe, carbon dioxide is widely considered to be a pollutant when associated with cars, planes, power plants, and other human activities that involve the burning of fossil fuels such as gasoline and natural gas. In the past 150 years, such activities have pumped enough carbon dioxide into the atmosphere to raise its levels higher than they have been for hundreds of thousands of years” (National Geographic).

The Primary sources of air pollution are the toxic chemicals such as, lead, mercury, and carbon monoxide. Most people know that lead is a harmful pollutant. Children are very susceptible to the health effects of ingested lead.” Lead can be found in water, food, soil, and in air pollution. Children are not the only ones affected by lead. Lead gets deposited on leaves and grass where animals ingest it, and it builds up in their system” (The Good Air lady). Mercury exist by nature on the earth’s crust. When exposed in the air, it resolves in the bodies of water and create mass extinction of living organisms in the aquatic life. When humans consume food like fish, their bodies are disclosed to mercury and can cause harm to the kidney, heart, lungs and immune system. According to EPA, Carbon monoxide (CO) is a colorless, odorless gas emitted from combustion processes. Nationally and, particularly in urban areas, the majority of CO emissions to ambient air come from mobile sources. CO can cause harmful health effects by reducing oxygen delivery to the body's organs (like the heart and brain) and tissues. At extremely high levels, CO can cause death. Given that these toxic chemicals are very harmful to the health of human, the existence of animals, wildlife and the bodies of water.

There are several effective ways to improve the air and avoiding air pollution. Clean up dirty power plants. The power plants are by far one of the most effective pollutant. If the Government ensure that these power plants are maintained, that would be big step towards making air pollution less of an issue. Another way to improve the air is by strengthen the ozone standards.” The [American] Lung Association urges the EPA to adopt a much tighter, more protective national air quality standard for ozone, set at 60 parts per billion. The EPA is currently considering strengthening the standard adopted in March 2008, which they now believe was not strong enough to protect health against the widespread harm from ozone smog. The 2008 decision set 75 ppb [parts per billion] as the standard, despite the unanimous recommendations of EPA's official science advisors that such a level would allow too much ozone to meet the requirements of the Clean Air Act. The American Lung Association challenged the 2008 decision in court, along with several states, public health and environmental groups. In January 2010, the EPA proposed a range for the new standard that met the earlier recommendations of the expert panel and the nation's leading public health organizations. EPA will announce the decision on the new standard in August 2010, clean up the existing fleet of dirty diesel vehicles and heavy equipment, and clean up harmful emissions from tailpipes in cars. EPA needs to set new pollution standards for cars and automobile fuels to reduce nitrogen oxides, hydrocarbons, and particle pollution emissions and Strengthen the particle pollution standards” ( American Lung Association).

Air pollution effects are taking a big toll on the ozone and the environment. If the issue continues to be ignored, the higher the risk of surviving on Earth will become. “The ozone layer protects life on Earth by blocking harmful ultraviolet rays from the sun. The “ozone hole” is a severe depletion of the ozone layer high above Antarctica, so these regions may have received more ultraviolet light than usual” (Earth Observatory). According to EPA, Each day, air pollution causes thousands of illnesses leading to lost days at work and school. Air pollution also reduces agricultural crop and commercial forest yields by billions of dollars each year. Congress should pass bills that will help people pay closer attention to air pollution. If this is done, the issue cannot be avoided.

Work Cited

"Air Pollution Continues to Be a Serious Problem." State of the Air 2010. American Lung Association. 5-9. Rpt. in Pollution. Ed. Louise I. Gerdes. Detroit: Greenhaven Press, 2011. Opposing Viewpoints. Gale Opposing Viewpoints In Context. Web. 24 Apr. 2012.

“Why Should You Be Concerned About Air Pollution?” The Plain English Guide To Clean Air Act. United States Environmental Protection Agency. March 06, 2012. Web. 24 Apr. 2012.

National Geographic Society. “Air Pollution comes from many sources.” National Geographic Society. 2012. Web. 24 Apr. 2012.

“Lead In Air Pollution.” The Good Air Lady. 2012. Web. 24 Apr. 2012



1. You rely on your title to communicate the argument of your essay. You should also make your argument explicit in the essay itself, preferably, when writing a research paper like this, in the form of a thesis in the opening paragraph.

2. The argument of your essay, that air pollution should be taken more seriously, relies too much on unsupported assertions or assumptions. Let's look at the following claim from your opening paragraph: "Limited amount of effort is being put into making it better for the Earth, and for living organism[s] to survive." Now the wording here is a bit awkward (the word "it" for instance has no obvious referent) but I've little doubt that you mean to claim that limited effort is being put into solving the problem of air pollution. That's a very important claim for your essay because, if you want to argue that air pollution "should be taken more seriously," you really need to demonstrate that it not being taken seriously enough right now. The essay, however, does not do that. It doesn't demonstrate the scope of existing efforts to address air pollution and so it obviously also doesn't demonstrate that those efforts are insufficient.

I chose that claim from your first paragraph as an example because it is a crucial claim for your essay, but you make claims throughout the essay that are unsupported by evidence. As a rule of thumb, only include claims whose truth you can demonstrate with supporting evidence or reasons. (An exception is made for claims that are considered common knowledge.)

3. When you do introduce evidence, you tend to use it in place of developing your own argument. You do this for instance when you cite a long passage from an American Lung Association study at the end of your penultimate paragraph. That quotation is too long and its relevance is not clear enough.. It introduces claims that are unrelated to anything else in your essay (you talk elsewhere about holes in the ozone layer but that is a completely different problem from the problem of ozone smog mentioned in the quotation). You don't introduce the quotation or explain its context or analyse it or explain its significance for your argument. Those would all be good things to do with evidence that you present in an essay like this, but the most important thing to do is to clarify exactly how the evidence you present helps to support your argument. If you offer evidence in support of the claim that our society is not doing enough to tackle air pollution, for instance, then usually you need to explain how the evidence shows that we are not doing enough.

Best, EJ.

Submitted by: lizzyblake

Tagged...environment essay, air pollution essay, essay writing help

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