1. AAAS Environmental Fellow, U.S. Environmental Protection Agency, Office of Research and Development, National Center for Environmental Assessment, 1200 Pennsylvania Avenue, NW (8601D), Washington, DC 20460, USA.
2. AAAS Diplomacy Fellow, U.S. Department of State, Bureau of Oceans, Environment, and Science, 3141 South Stafford Street, Arlington, VA 22206, USA. The views presented here are solely those of the authors and do not necessarily represent the views of either agency or the U.S. government.