1. College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
2. Laboratory for Climate and Ocean-Atmosphere Sciences, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing 100871, China.
3. Ecometrics Research and Consulting, Reading RG8 7PW, UK.
4. UK Centre for Ecology & Hydrology, Edinburgh Research Station, Bush Estate, Penicuik, Midlothian EH26 0QB, UK.
5. PBL Netherlands Environmental Assessment Agency, 2500 GH The Hague, Netherlands.
6. School of Economics and Management, Beihang University, Beijing 100091, China.
7. International Institute for Applied Systems Analysis, A-2361 Laxenburg, Austria.
8. Norwegian Institute of Public Health, Skøyen, N-0213 Oslo, Norway.