Air Pollution

  • Air pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk.
  • In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life (such as the damaging of the ozone layer or causing global warming).

Major Primary Pollutants

Sulphur Oxides (SOx)

  • It is produced by volcanoes and in various industrial processes. Since coal and petroleum often ....
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Ecology & Environment