1 1] Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China. [2] John F. Kennedy School of Government, Harvard University, Cambridge, Massachusetts, USA.
2 1] School of International Development, University of East Anglia, Norwich, UK. [2] Center for Earth System Science, Tsinghua University, Beijing, China.
3 John F. Kennedy School of Government, Harvard University, Cambridge, Massachusetts, USA.
4 School of Public Policy and Management, Tsinghua University, Beijing, China.
5 Center for Earth System Science, Tsinghua University, Beijing, China.