pollution - Kids Britannica Kids

Pollution is the introduction of contaminants into the natural environment that cause adverse change Pollution can take the form of chemical substances or

Air pollution and health Air pollution is now considered to be the world's largest environmental health threat, accounting for 7 million deaths around the

pollution Maharashtra Pollution Control Board was established on 7th September,1970 under the provisions of Maharashtra Prevention of Water Pollution Act,1969 The Water

pollution The meaning of POLLUTION is the action of polluting; especially : the action of making an environment unsuitable or unsafe for use by introducing man-made