American environmental lawyer and advocate, former dean of the Yale School of Forestry and Environmental Studies.
Tanzanian economist, current politician and founding Executive Director of United Nations HABITAT.
American leader in biodiversity conservation and climate change, former President and CEO of the Wildlife Conservation Society.
American biologist, author, and cancer survivor who writes about the links between human health and the environment.
Kenyan founder of the community-based tree planting initiative Green Belt Movement and Nobel Prize laureate.
American historian at the University of Chicago and twelfth Librarian of the United States Congress.
American mathematician, environmental lobbyist and professor of atmospheric and oceanic sciences.
English environmentalist specializing in biodiversity and also noted for his work on environmental refugees.
English advocate for nature conservation and considered to be the world鈥檚 foremost expert on chimpanzees.
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