JEREMY JACKSON holds emeritus positions at the Smithsonian Tropical Research Institute and Scripps Institution of Oceanography where he led the Center for Marine Biodiversity and Conservation. He is also a Research Associate at the American Museum of Natural History. Jackson studies threats from and solutions to human impacts on the environment, as well as the ecology and evolution of tropical seas. He is a member of the US National Academy of Sciences and the American Academy of Arts and Sciences, and has won numerous international prizes and awards. He is the author of more than 170 scientific publications and 11 books, most recently Breakpoint: Reckoning with America’s Environmental Crises and Shifting Baselines in Fisheries: Using the Past to Manage the Future.