Question

Explain the causes effects and controls of air pollution in environmental studies

Answer 1

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✴️Burning of Fossil Fuels: Sulfur dioxide emitted from the combustion of fossil fuels like coal, petroleum and other factory combustibles are one of the major cause of air pollution. Pollutants emitted from vehicles further contribute to the degradation of the environment. Carbon Monoxide produced by the incomplete combustion of fuel is another major pollutant along with the Nitrogen Oxides, that are produced from both natural and man-made processes.

✴️Agricultural Activities: Ammonia is a very common byproduct of the agriculture-related activities and is one of the most hazardous gases in the atmosphere. The use of insecticides, pesticides and fertilizers in agriculture also leads to the emission of harmful chemicals causing pollution.

✴️Exhaust from Factories and Industries: Manufacturing industries and petroleum refineries release a large amount of carbon monoxide, hydrocarbons, organic compounds and chemicals into the air thereby depleting the quality of air.

✴️Mining Operations: During the process of mining, huge volumes of dust and other chemicals are released into the air causing massive air pollution and leading to deteriorating health conditions of mining workers and nearby residents.

Indoor Air Pollution: Household cleaning products, painting supplies etc. emit toxic chemicals in the air while causing air pollution.

✴️Suspended Particulate Matter: Popular by its acronym SPM, it is another cause of air pollution. While referring to the particles afloat in the air, the SPM is usually caused by dust, combustion etc.

Effects on AIR POLLUTION ON Human Health

Air pollution can severely harm the health of people and animals, damage plants or stop them from growing properly. Some of the major health issues caused by air pollution are:

⚫️respiratory diseases (including asthma and changes in lung function)

⚫️cardiovascular diseases

⚫️adverse pregnancy outcomes (such as preterm birth)

⚫️even death in some cases

Effects on Earth

The air pollution has a number of repercussions, mentioned as follows:

✨Global Warming: With increased temperatures worldwide, the resulting increase in sea levels and the melting of ice from the colder regions and icebergs, or the loss of habitat have already signalled an impending disaster if actions for preservation and normalization aren’t undertaken soon.

✨Acid Rain: Harmful gases like the nitrogen oxides and sulfur oxides released into the atmosphere during the burning of fossil fuels combine with water droplets during rain forming acids and leading to acid rain. Acid rain can cause great damage to living organisms, plants and monuments.

✨Eutrophication: It is a condition where a high amount of nitrogen present in pollutants gets accumulated on the surface of a water body, leading to the deposition of green algae. Reducing the amount of sunlight entering and the dissolved oxygen in the water, it really affects the aquatic life.

✨Effect on Wildlife: Toxic chemicals present in the air affect wildlife and force it to move to new places and change habitats leading to an imbalance in the flora and fauna of a particular area.

✨Depletion of Ozone layer

Answer 2

The burning of fossil fuels releases harmful gases such as nitrogen oxides and sulphur oxides in the air. The water droplets combine with these pollutants, become acidic and fall as acid rain which damages human, animal and plant life.