Air pollution essay introduction

The primary sources of pollution from combustion are furnaces in factories, engines in vehicles and burning of trash, in the form of particles or gases. Air Pollution is a harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. One of many forms of air pollution occurs inside homes, schools, offices, in cities , across continents and even globally. Air pollution causes damage to the environment. Air pollution cause depletion of the ozone layer, which allows a greater amount of ultraviolet rays to earth, that can be harmful for humans.


Some air pollutants return to earth in the form of acid rain , which it can corrode statues and buildings, damage crops, forests, makes lakes, and streams unsuitable for fish and other plant and animal life. Smog is another result from air pollutant which is in the form of fog that is harmful to humans. Global warming can also be a cause by air pollutants, which causes the earth temperatures to increase.

Essay on Air Pollution: Meaning, Sources and Effects

This effects the whole earth as one , and leading to a rise in global average temperatures. Air pollution is changing the earth's environment , if we continue polluting we can have serious consequences that can change the earth and health of humans. Ozone is a gas made up of three oxygen's which produces O3. The ozone layer is found in the stratosphere found about 30 miles above the earth. The suns rays are absorbed by these ozone molecules, which keeps the rays from reaching the earth. The main pollutant is chlorofluorocarbons CFCs which is the major cause of depletion of the ozone layer.

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.

What is air pollution?

It is important to note that unless alternative cleaner option is found, we will have the future facing the same problems of pollution. 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. 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. 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. 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. 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. 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.

Solutions to air pollution

This layer is important in shielding the earth from the destructive ultraviolet UV radiations. 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.

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. The mechanism works to ensure that the ecosystem is not affected by the changes occurring in the atmosphere.

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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.