1. Centre for the Study of Existential Risk, University of Cambridge, Cambridge CB2 1SB, United Kingdom
2. Darwin College, University of Cambridge, Cambridge CB3 9EU, United Kingdom
3. School of Life Sciences, Nanjing University, Nanjing 210023, China
4. Cambridge Centre for Environment, Energy and Natural Resource Governance, University of Cambridge, Cambridge CB2 3QZ, United Kingdom
5. Center for Health and the Global Environment, University of Washington, Seattle, WA 98195
6. Future of Humanity Institute, University of Oxford, Oxford OX2 0DJ, United Kingdom
7. Department of Anthropology, Washington State University, Pullman, WA 99164-4910
8. Santa Fe Institute, Santa Fe, NM 87501
9. Cluster of Excellence ROOTS, Christian-Albrechts-Universität, 24118 Kiel, Germany
10. Potsdam Institute for Climate Impact Research, 14473 Potsdam, Germany
11. Department of Environmental Sciences, University of Wageningen, 6708PB Wageningen, The Netherlands
12. Earth System Science Department, Tsinghua University, 100190 Beijing, China
13. Fenner School of Environment and Society, The Australian National University, Canberra, ACT 2601, Australia
14. Global Systems Institute, University of Exeter, Exeter EX4 4QE, United Kingdom