1. Dept. of Civil and Environmental Engineering, Grantham Institute for Climate Change and the Environment, Imperial College London, Skempton Bldg., London SW7 2AZ, U.K. (corresponding author).
2. Public Administration and Policy Group, Wageningen Univ., P.O. Box 8130, 6700EW Wageningen, Netherlands.
3. FONAG, Quito, Ecuador; formerly, Consortium for the Sustainable Development of the Andean Ecoregion (CONDESAN), Lima, Peru.
4. School of Geography, Earth and Environmental Sciences, Univ. of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
5. Professor, School of Geography, Earth and Environmental Sciences, Univ. of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.