Environmental degradation is one of the largest threats to the all world living beings. Many countries and most of the organization have paid attention towards environment protection. But day by day surrounding environments being damaged and degrading due to using ample of natural sources. It affects our life in several ways. Therefore, it is our duty to protect environment, the environmental protection is need of day. Environmental degradation is deterioration of environment through depletion of resources such as water, air and soil; the destruction of ecosystems and the extinction of wildlife. Today we witness ecological imbalance, degrading environment, depredated earth, traumatic subversion of the eco-system, poisoning of air, water, food, and technological plunder of resources of nature. To meet these challenges to mankind various measures have been adopted in India. Indian judiciary is said to be the first to show greater concern and due attention to the protection of environment from various pollinations. A perusal of the thought provoking decisions of various High Court’s as well as the Supreme Court speaks volumes about the significant role played by the judiciary has opened new aspirations in the arena of environmental protection. Through its activist approach took initiative in protection of environment.