Scott Barrett is a leading scholar on transnational and global challenges, ranging from climate change to disease eradication. His research focuses on how institutions like customary law and treaties can be used to promote international cooperation.He has advised a number of international organizations, including the United Nations, the World Bank, the OECD, the European Commission, and the International Task Force on Global Public Goods. He was previously a lead author of the Intergovernmental Panel on Climate Change and a member of the Academic Panel to the Department of Environment in the UK