NATURE consists of five Tatvas i.e. Earth, water, air, fire and ether. These five tatvas consists the human body. Therefore it is our duty to protect and conserve the nature. We are all depending over nature for all the purposes. Nature is our best and true friend. So we must save this our best friend. All living and non living things are directly or indirectly dependant over each other for many reasons likes oxygen - carbon dioxide cycle in between plants and animals. Therefore there are certain kind of interactions occur in between the species and environment. Thus environment is also declared as our necessary and true friend. But with our activities which include all the activities which has been done by human beings (fortunately or unfortunately) to exploit this best friend (nature).