Grey crowned crane (Balearica regulorum)

IUCN Washington, D.C. is the focal point for administering and serving the US member organizations and also serves as a liaison resource to the IUCN Commissions which comprise over 10% of the Union's members and over 1/3 of the Commission members.


Environmental NGOs

Antarctic and Southern Ocean Coalition (ASOC)

Association of Fish and Wildlife Agencies

Atlantic Centre for the Environment

Center for Humans and Nature (NFP CHN)

Center for International Environmental Law (CIEL)

Conservation Force, Inc.

Conservation International (CI)

Counterpart International, Inc.

Earth Day Network (EDN)

Ecoagriculture Partners (EP)

Environmental Defense Fund (EDF)

Environmental Law Institute (ELI)

Fideicomiso de Conservación de Puerto Rico [The Conservation Trust of Puerto Rico]

Forest Trends

Foundation for Environmental Security and Sustainability (FESS)

Garrison Institute

Global Footprint Network (GFN)

Solar Household Energy

InterEnvironment Institute (IE)

International Primate Protection League

International Species Information System (ISIS)

Khaled bin Sultan Living Oceans Foundation

Marine Conservation Biology Institute (MCBI)

National Audubon Society

National Geographic Society (NGS)

National Parks Conservation Association

National Wildlife Federation (NWF)

Natural Heritage Institute (NHI)

Natural Resources Defense Council (NRDC)


Ocean Conservancy

Pacific Seabird Group (PSG)

Primarily Primates

Project AWARE Foundation

Rainforest Alliance (RA)


Sierra Club

Snow Leopard Trust

The Conservation Planning Institute (CPI)

The Heinz Center

The Nature Conservancy (TNC)

The Pew Charitable Trusts

The Wild Foundation (WILD)

The Wildlife Society

United Nations Foundation (UNF)

Wild Salmon Center (WSC)

Wildlife Alliance

Wildlife Conservation Society (WCS)

Wildlife Trust

World Environment Center (WEC)

World Resources Institute (WRI)

World Wildlife Fund (US WWF)

Worldwatch Institute (WWI)

Academic Institutions

Center for Environmental Legal Studies, Pace University

Global Institute of Sustainability, Arizona State University (GIOS)

Global Land Cover Facility, University of Maryland (GLCF)

Kamehameha Schools, Hawaii

Tropical Resources Institute, Yale School of Forestry and Environmental Studies (TRI)