Affiliation: | 1. Archipelago Consulting, , Portland, ME, 04112 U.S.A.;2. Department of Environmental Health, Harvard School of Public Health, and Harvard University Center for the Environment, , Cambridge, MA 02138 U.S.A.;3. Gund Institute for Ecological Economics, University of Vermont, , Burlington, VT, 05405 U.S.A.;4. Wildlife Conservation Society, , Bronx, NY, 10460 U.S.A. |