Since the existence of human, there is inter relationship between human and environment. Humans evolved on the Earth long after formation of the Earth. Human beings proved their superiority as compared to other animals with the help of characteristic like intelligence, memory, imagination etc. Humans established domination over the nature. They utilized all the natural resources as much as possible and this lead to increase in problems. From this entire scenario, we can understand that the human being has crucial role in maintaining the environmental balance. If he has disturbed the environmental balance, then he himself only can conserve and improve the quality of nature.