1. Woodrow Wilson School of Public and International Affairs, Princeton University, Princeton, NJ, USA.
2. Department of Geosciences, Princeton University, Princeton, NJ, USA.
3. International Institute for Applied Systems Analysis, Laxenburg, Austria.
4. Watson Institute for International Studies, Brown University, Providence, RI, USA.
5. MIT Joint Program on the Science and Policy of Global Change, Massachusetts Institute of Technology, Cambridge, MA, USA.
6. Organization for Economic Cooperation and Development (OECD), Paris, France.