Saving Our Environme: Pollution

Pollution is the process whereby various harmful substances are added to the environment (land, water, air etc.) by human and natural activities.

The various types of pollution that exist are:

* air pollution
* water pollution
* land pollution
* noise pollution

Natural activities that cause pollution are, for example, volcanic eruptions, sandstorms and natural forest fires. These events cause a large amount of substances such as ash and dust, which are harmful to our health, to be added to the environment.

Although some natural events may contribute to pollution, human activities have a more harmful impact to the environment.

Saving Our Environment: Learn