Air Pollution Assignment

Air Pollution Assignment-11
Through the 19th century, water and air pollution and the accumulation of solid wastes were largely problems of congested urban areas.

Through the 19th century, water and air pollution and the accumulation of solid wastes were largely problems of congested urban areas.

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In particular, the publication in 1962 of focused attention on environmental damage caused by improper use of pesticides such as DDT and other persistent chemicals that accumulate in the food chain and disrupt the natural balance of ecosystems on a wide scale. Air pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth.Natural Causes of Air Pollution Some sources of air pollution come from nature.However, with the establishment of permanent settlements by great numbers of people, pollution became a problem, and it has remained one ever since.Modern society is also concerned about specific types of pollutants, such as noise pollution, thermal pollution, light pollution, and plastic pollution.These include eruptions of volcanoes, dust storms, and forest fires.Human Causes of Air Pollution Human activity is a major cause of air pollution, especially in large cities.In response, major pieces of environmental legislation, such as the Clean Air Act (1970) and the Clean Water Act (1972; United States), were passed in many countries to control and mitigate environmental pollution.The presence of environmental pollution raises the issue of pollution control.Great efforts are made to limit the release of harmful substances into the environment through air pollution control, wastewater treatment, solid-waste management, hazardous-waste management, and recycling.Unfortunately, attempts at pollution control are often surpassed by the scale of the problem, especially in less-developed countries.

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