1. Nicholas School of the Environment, Duke University, Durham, NC 27708, USA.
2. Institute for Governance and Sustainable Development, Washington, DC 20008, USA.
3. School of Population and Public Health, The University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada.
4. London School of Hygiene and Tropical Medicine, London WCIH 9SH, UK.
5. Stockholm Environment Institute, University of York, York YO10 5DD, UK.
6. United Nations Environment Programme, 75015 Paris, France.
7. Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA 92093, USA.
8. Colorado State University, Fort Collins, CO 80523, USA.
9. International Institute for Applied Systems Analysis, Laxenburg, A-2361 Austria.
10. TERI University, Vasant Kunj, New Delhi 110 070, India.