1 National Socio-Environmental Synthesis Center, University of Maryland, Annapolis, MD 21401, USA. mpalmer@umd.edu junguo.liu@gmail.com.
2 School of Nature Conservation, Beijing Forestry University, Beijing 10083, China. School of Environmental Science and Engineering, South University of Science and Technology of China, Shenzhen 518055, China. mpalmer@umd.edu junguo.liu@gmail.com.
3 Alliance for Global Water Adaptation, Corvallis, OR 97330, USA.
4 United Nations Environment Programme, Nairobi, Kenya.
5 National Socio-Environmental Synthesis Center, University of Maryland, Annapolis, MD 21401, USA. University of Virginia, Charlottesville, VA 22904, USA.