The class will explore the obstacles to achieving sustainability; in particular, the difficulties of managing common resources, achieving transboundary pollution control, making tradeoffs between economic and social development needs and environmental resource protection, and harmonizing environmental protection standards. At their core, these problems must be addressed through international or multi-lateral negotiations. We will focus especially on problems of representation and voting, issue linkage, balancing science and politics, and monitoring and enforcement in negotiations of these kinds. We will also examine these issues in light of actual treaty negotiations especially the on-going efforts to implement the Climate Change Convention...