| State sovereignty, which is considered as the basic attribution of nations, has developed its own theories for a long time. From the classic sovereignty theories of Bodin, Grotius, Hobbes, Locke and Rousseau to recent sovereignty schools of continuing demands for self-determination, a broadened conception of international peace and security, the collapse of state authority, and the increasing importance of popular sovereignty, the development of state sovereignty has always been in agreement with the changing times. In 20th century, the condition of our living environment has become deteriorating so that the protection of our environment has been demanded immediate attention, which resulted in the international environmental law. The emergence and development of international environmental law bring forth the notion of rule by international law instead by arbitrarily states' will. This passage will discuss in begin of a famous international environmental law case—the case of Trail, through analyzing this case, I will introduce the emergence and development of international environmental law and also the development of state sovereignty, and then bring out the impact of international environmental law on development of state sovereignty, finally, I will emphasize the harmony of the development of international environmental law and state sovereignty. |