Causes and Effects of Air Pollution

Air pollution is defined as the chemical, biological and physical contamination of air due to the release of harmful gases, smoke and dust. Air pollution hinder the survival of animals, humans and plants as the sustenance of living things depends on the relative percentage of air components combination where air pollution disrupts the balance. According to the WHO 2014 report, air pollution causes as many deaths as car accidents.  Greenhouse gas emissions lead to depletion of the ozone layer, which has significantly contributed to climate change. The most common effects of air pollution are smog, acid rain, global warming and breathing ailments. Air pollution is an important issue to be understood as long as climate change and related ailments are to be mitigated.

 One of the profound effects of air pollution is smog, which is defined as the amalgamation of gaseous pollutants in the atmosphere that react with heat and sunlight to form precursors such as nitrogen oxides, sulphur dioxides and volatile compounds. The main causative factor is fuel burning and pollutants from diesel engines, gasoline and industrial plants. Other causative factors of smog include high temperatures, winds, heavy traffic and sunshine.  Another factor accelerating the formation of smog is the presence of low-speed wind, such as during the winter that assist the stagnation of fog and smoke near the ground where respiratory gases should be situated.

Smog affects plants, humans and animals. Industrialization and modernization are the factors that have accelerated the occurrence of smog with mortifying effects cutting of plants, humans and animals. Other than causing respiratory ailments, smog also contributes to global warming and reduces visibility in the atmosphere vicinity, where respiration is supported….

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