Brian Buma¹, Peter C Frumhoff^2,3, Brendan M Rogers³, Stavroula Sartzetakis⁴, Christina Schaedel³, Susan Natali³, Carly Phillips⁵, Alice Alpert⁴, Matti Goldberg³, Josep Gili Canadell⁶, Kate Dooley⁷, Werner Kurz⁸, Carlos Afonso Nobre⁹, Emily Ury^4,10, Sheel Bansal¹¹, Irena F Creed¹², Meredith Holgerson¹³, Sara Knox¹⁴, Pascal Badiou¹⁵, Zhen Zhang¹⁶, Benjamin Poulter¹⁷ and Steve Hamburg⁴, (1)Environmental Defense Fund Boulder, Boulder, CO, United States, (2)Harvard University, Cambridge, United States, (3)Woodwell Climate Research Center, Falmouth, United States, (4)Environmental Defense Fund, New York, United States, (5)Union of Concerned Scientists, Boston, United States, (6)CSIRO Environment, Canberra, Australia, (7)University of Melbourne, Melbourne, Australia, (8)Natural Resources Canada, Canadian Forest Service, Victoria, BC, Canada, (9)USP University of Sao Paulo, São José dos Campos, Brazil, (10)Colgate University, Hamilton, United States, (11)U.S. Geological Survey, Northern Prairie Wildlife Research Center, Jamestown, United States, (12)University of Toronto, Toronto, ON, Canada, (13)Cornell University, Ithaca, United States, (14)McGill University, Montreal, QC, Canada, (15)Ducks Unlimited Canada, Institute for Wetland and Waterfowl Research, Stonewall, MB, Canada, (16)ITP Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China, (17)Spark Climate Solutions, San Francisco, United States