environmental geopolitics of the caspian basin energy interactions

following the collapse of the soviet :union: and the discovery of gas and oil in central asia and caucasia, it faced complex interests in the international political economy. these problems were mainly rooted in developing plans of the countries for increasing their influence in the area and also in russia's connections with the iranian and turkish governments in the region. this paper investigates the caspian sea oil resources and the related systems of oil transmission through a descriptive-analytical method. moreover, it studies the role of these factors in regional interactions of the caspian coastal states. finally, it analyzes the environmental geopolitics of the caspian sea, in association with the oil pollutants and the policies of islamic republic of iran. the results revealed that the new routes of oil transmission and interactional active role of all costal states in environment conservation may have a key role in the regional constructive interactions among the caspian coastal states.