1. Center for Global Sustainability, School of Public Policy, University of Maryland, College Park, USA
2. Joint Global Change Research Institute, Pacific Northwest National Laboratory, College Park, USA
3. School of Agricultural Economics and Rural Development, Renmin University of China, Beijing, People’s Republic of China
4. Research Center for Contemporary Management, Tsinghua University, Beijing, People’s Republic of China
5. Institute of Energy, Environment and Economy, Tsinghua University, Beijing, People’s Republic of China
6. Institutes of Science and Development, Chinese Academy of Sciences, Beijing, People’s Republic of China
7. School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing, People’s Republic of China
8. Energy Foundation China, Beijing, People’s Republic of China
9. The Global Methane Hub, Providencia, Chile