1. Oxford Martin School and Nuffield Department of Population Health, University of Oxford, Oxford, UK.
2. Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN, USA.
3. Department of Ecology, Evolution, and Behavior, University of Minnesota, St. Paul, MN, USA.
4. Bren School of Environmental Science and Management, University of California, Santa Barbara, CA, USA.
5. Department of Physics, University of Oxford, Oxford, UK.
6. Department of Energy Resources Engineering, Stanford University, Stanford, CA, USA.
7. Woods Institute for the Environment, Stanford, CA, USA.