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| Food & Agricultural Organization (FAO) | Rome, Italy | link | | |
| International Livestock Research Institute (ILRI) | Nairobi, Kenya | link | | |
| Consultative Group on International Agricultural Research (CGIAR) | Washington DC, USA | link | | |
| Institute for Laboratory Animal Research (ILAR) | Washington DC, USA | link | Laboratory animal | |
| Universities Federation for Animal Welfare (UFAW) | Hertfordshire, UK | link | Animal welfare | |
| World Animal Net | Boston, USA | link | Animal welfare | Network of animal protection societies |
| Laboratory Animal Science Association (LASA) | Tamworth, UK | link | Laboratory animal | |
| World Organization for Animal Health (OIE) | Paris, France | link | Animal health | |
| International Society for Applied Ethology (ISAE) | Edinburgh, UK | link | Animal behaviour | |
| World Association for the History of Veterinary Medicine (WAHVM) | Wien, Austria | link | Associations | |
| International Fund for Animal Welfare (IFAW) | Yarmouth Port, USA | link | Animal welfare | |
| American Kennel Club (AKC) | New York, USA | link | Pets | |
| United Nations Environment Programme (UNEP) | Nairobi, Kenya | link | Wildlife/Environment | |
| The Wild Foundation | | link | Wildlife/Environment | |
| Ramsar Convention on Wetlands | | link | Wildlife/Environment | |
| International Union for Conservation of Nature (IUCN) | Gland, Switzerland | link | Wildlife/Environment | |
| Friends of the Earth | Washington DC, USA | link | Wildlife/Environment | |
| World Summit on Sustainable Development (WSSD) 2002 | Johannesburg, South Africa | link | Wildlife/Environment | |
| Convention on Migratory Species | | link | Wildlife/Environment | |
| Intergovernmental Panel on Climate Change (IPCC) | | link | Wildlife/Environment | |
| Greenpeace International | Amsterdam , The Netherlands | link | Wildlife/Environment | |
| Convention on Biological Diversity | | link | Wildlife/Environment | |
| United Nations Convention on Law of the Sea (UNCLOS) | | link | Wildlife/Environment | |
| United Nations Framework Convention on Climate Change (UNFCCC) | | link | Wildlife/Environment | |
| World Wide Fund for Nature (WWF) | Gland, Switzerland | link | Wildlife/Environment | |
| Trade Record Analysis of Flora & Fauna in Commerce (TRAFFIC) International | Cambridge, UK | link | Wildlife/Environment | |
| UNESCO's Man & Biosphere Programme (MAB) | Paris, France | link | Wildlife/Environment | |
| Antarctic Treaty System (ATS) | Buenos Aires, Argentina | link | Wildlife/Environment | |
| Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) | Geneva, Switzerland | link | Wildlife/Environment | |
| International Whaling Commission (IWC) | Cambridge, UK | link | Wildlife/Environment | |
| Wildlife Enforcement Monitoring System (WEMS) | Tokyo, Japan | link | Wildlife/Environment | |
| Agenda 21 | | link | Wildlife/Environment | |
| World Wilderness Congress (WWC) | | link | Wildlife/Environment | |
| World Association of Zoos and Aquariums (WAZA) | Basel, Switzerland | link | Wildlife/Environment | |
| World Database on Protected Areas (WDPA) | | link | Wildlife/Environment | |
| United Kennel Club (UKC) | London, UK | link | Pets | |