The environmental cooperation seeks to achieve harmony and peace during collaboration. Meanwhile, this is another main issue over political, military, cultural and technical cooperation. Environmental issues possess stretchable, unpredictable, and no borders, hence the only way to solve the environmental crises between interdependent states is the environmental cooperation. This thesis discusses modern international environmental movement from 1960s. During this decade, people gradually realized the importance of environment and went a step further to search for the degree of damage people has done. In response to that, various conferences and research organizations were conducted. Besides, intergovernmental organizations adopted international environmental law to protect environmental and integrate existing resources. The process is done in a hope to find a balance between economic development and environmental protection so that both acts can be preceded at the same time. 1970s was a decade which intergovernmental environmental organizations regarded to environment were rapidly established. Not only did the United Nations Environmental Programmed is formed and international environmental conferences are convened, a set of universal environmental law were adopted and followed strictly by Grassroots Environmental Organizations worldwide. Sustainable development was brought out in the early of 1980s and became a widely accepted norm in guiding environmental movement. Moreover, international environmental law were adopted in a great quantity and negotiated actively. After 1990s, the international environmental movement turned to think about human development which integrates the environmental issues, economical development, science and technology, social development and political development.
This thesis discusses the developmental process, the environmental issues how to take place and change from the international environmental movement history. What is the evaluated indicators of EMS whether can manage the environmental crises or not. Even though North-South question and the debates between economical development and environmental protection couldn’t be solved and terminated in the short term, international environmental cooperation is still the most important part of international environmental movement and the best role to practice the international environmental law.