International
- Association of Field Ornithologists
- Association for the Sciences of Limnology and Oceanography
- Australian Campuses Towards Sustainability
- Awake: Applying Psychology to Sustainability
- B Corporation
- C40 Cities
- Center for Outdoor Ethics Leave No Trace
- Conservation International
- COPERNICUS Alliance- Europe
- Dissertations Initiative for the Advancement of Climate Change Research
- Doctors Without Borders
- Eat Lancet Commission on Food, Planet, Health
- Engineers for a Sustainable World
- European Association of Geoscientists and Engineers
- The Environmental Association for Universities and Colleges EAUC- United Kingdom
- Fair Trade International
- Future Earth
- ICLEI Local Governments for Sustainability
- International Congress on Sustainability Science and Engineering
- International Education for Sustainable Development Alliance
- International Society for Sustainability Science
- International Society of Sustainability Professionals
- The International Sustainable Campus Network
- International Union for the Conservation of Nature
- Korean Association for Green Campus Initiative KAGCI
- North American Association of Environmental Education
- North American Students of Cooperation
- Ocean Conservancy
- Oeko-Tex
- Organization of Biological Field Stations
- Ornithological Societies of North America
- Oxfam International
- Partners in Amphibian and Reptile Conservation
- Rainforest Alliance
- Raptor Research Foundation
- Slow Food International
- Society for Conservation Biology
- The 5 Gyres Institute
- The Wildlife Society
- United Nations and Climate Change
- United Nations Framework Convention on Climate Change
- United Nations Sustainable Development
- United Nations University: Institute for the Advanced Study of Sustainability
- Wildlife Conservation Network
- World Environmental Education Congress
- World Environmental and Water Resource Congress
- World Green Building Council
- World Wildlife Fund
- World Resources Institute
- Zero Waste International Alliance