The following organizations and individuals have endorsed Environmental Ethics:

• The Conservation Fund
• Conservation International
• Earth Day Network
• Earth Island Institute
• Environmental Defense
• Friends of the Earth
• Global Greengrants
• Thomas Lovejoy, The H. John Heinz III Center for Science, Economics and the Environment
• International Rivers Network
• Jane Goodall Institute
• National Audubon Society
• National Environmental Education & Training Foundation
• Natural Resources Defense Council
• National Wildlife Federation (NWF)
• The Nature Conservancy
• The Ocean Conservancy
• Rainforest Action Network
• Resource Renewal Institute
• Roots and Shoots
• David Sandalow, The Brookings Institute
• Sierra Club
• Union of Concerned Scientists
• Professor Edward O. Wilson, Harvard University
• World Resources Institute
• World Wildlife Fund (WWF)
• Worldwatch Institute