Scott Barrett ProfessorSchool of International Affairs (SIPA) Columbia UniversityScott Barrett is the Lenfest-Earth Institute Professor of Natural Resource Economics at Columbia University. His research focuses on how institutions like norms, customary law, resolutions, and treaties can be used to promote international cooperation on issues like climate change and disease eradication. He is the author of numerous peer-reviewed articles as well as two books, "Environment and Statecraft" and "Why Cooperate?," both published by Oxford University Press. In addition to his academic work, he has advised a number of international organizations on these issues and was previously a lead author of the Intergovernmental Panel on Climate Change. Barrett previously taught at the Johns Hopkins University School of Advanced International Studies in Washington, DC and at the London Business School. He has also been a visiting scholar at Yale and Princeton. Barrett is a research fellow with the Beijer Institute (Stockholm), CESifo (Munich), and the Kiel Institute of World Economics. He received his PhD in Economics from the London School of Economics.