Pollution also called environmental pollution is the addition of any substance,solid ,liquid ,gas or any form of energy to the environment at a rate faster than it can be dispered,diluted,decomposed,recycled or stored in some harmles form.The major kinds of pollution are air pollution,water pollution and land pollution.Mordern socities are also concerned about specific types of pollutants ,such as noise pollution,light pollution and even plastic pollution.

Although environment pollution can be caused by natural events such as forest fires and active volcanoes,use of the word pollution usually imples that yhe comminants have an anthropogenic source-that is a source created by human activities.
The presence of environmental pollution raises the issue of pollution control. Great efforts are made to limit the release of harmful substances into the environmentthrough air pollution control,waste water treatment,solid waste manegement and so on.

Stoy from:library .eb.com/eb/article-9109632