Environment and Pollution

 Air Pollution is the action of environmental contamination with man-made waste into the air.The earth's air also contains pollutants or harmful material,we may also breathe. Some of these air pollutants may be odorless and colorless. Other air pollution may be so apparent that it surrounds us like smog,which is a cloud or haze of air pollutaion. These are following gases that are known as the "Big Six" air pollutions"