Causes of Pollution

The severity of pollution depends on chemical nature and concentration of these pollutants in the environment. There are different types of pollution; the major ones being air pollution, water pollution, and land pollution. Irrespective of which part of the world we are talking about, each of these three types have different causes, and therefore, they have to be discussed individually.

Read more at Buzzle: http://www.buzzle.com/articles/causes-of-pollution.html

Look the video and be ready to discuss the problem!!!