pollution

Pollution is the introduction of contaminants into an environment that causes instability, disorder, harm or discomfort to the ecosystemi.e. physical systems or living organisms. Pollution can take the form of chemical substancesor energy, such as noise, heat, or light. Pollutants, the elements of pollution, can be foreign substances or energies, or naturally occurring; when naturally occurring, they are considered contaminants when they exceed natural levels.

pollution can be of various types and they are:-

a) Air pollution

b) Water pollution

c)sound pollution

d)soil pollution

Air pollution:-