Global
Alliance for Zero Extinction
Birdlife International
BP Conservation Programme
Conservation International
Critical Ecosystem Partnership Fund
Fauna and Flora International
Global Conservation Fund
Investigate Biodiversity
The Nature Conservancy
RARE Center for Tropical Conservation
Wildlife Conservation Society
World Conservation Union (IUCN)
World Wildlife Fund

Atlantic Forest
Birdlife International - Brazil Programme
Conservation International - Brazil
Fundação S.O.S. Mata Atlântica
Fundación Moisés Berton
Fundación Vida Silvestre
Guyra Paraguay
Instituto de Estudos Sócio-Ambientais do Sul da Bahia (IESB)
Instituto de Pesquisas Ecológicos (IPE)
New York Botanical Garden - Atlantic Coastal Forest Websites
WWF Latin America and Caribbean

Brazilian Cerrado
Biodiversity Conservation Priorities for the Cerrado
Birdlife International Brazil Programme
Conservation International - Brazil
Royal Botanic Garden Edinburgh - Biodiversity of the Brazilian Cerrados

California Floristic Province
California Conservation Corps
Friends of the River - California's Statewide River Conservation Organization
Guide to California Programs for Biodiversity Conservation
The Peregrine Fund - California Condor Restoration
Save-the-Redwoods League
Sierra Club

Cape Floristic Region
The Botanical Society of South Africa
Cape Action Plan for People and the Environment
Cape Nature Conservation
The Cape Peninsula National Park
National Botanical Institute, South Africa (NBI)
PlantzAfrica -- Plants Native to South Africa
Red Data List of southern African Plants
South African National Parks
WWF South Africa

Caribbean Islands
Bonaire Foundation for National Parks (Netherlands Antilles)
Caribbean Conservation Association
Caribbean Environment Program
Caribbean Fishes Specialist Group of IUCN
CARMABI Foundation Curacao
Island Resources Foundation
National Botanical Garden of the Dominican Republic
Saba Conservation Foundation and Marine Park
St. Eustacius National Parks Foundation
Save the Sea Turtle League Caribbean Conservation Organization
Society of Caribbean Ornithology

Caucasus
Armenian Tree Project
Center for Russian Nature Conservation - Great Caucasus
Georgian Center for the Conservation of Wildlife
Rare, Endangered, and Vulnerable Plants of the Republic of Georgia
Regional Environmental Center for the Caucasus
WWF in the Caucasus

Chile Winter Rainfall-Valdavian Forests
Andean Botanical Information System
Comite Nacional por la Defensa de la Flora y Fauna (In Spanish)
Fauna Australis Conservation Initiative
Natural Resources Information Center
The Nature Conservancy - Chile

Coastal Forests of Eastern Africa
IUCN - East Africa Office
Kenya Forest Working Group
Nature Kenya
Tana Delta Environmental Awareness Project
Tanzania Forest Conservation Group
UNEP Eastern Africa Plan
Wildlife Conservation Society - Kenya
WWF - East Africa

Eastern Afromontane
East Usambara Conservation Area Management Programme
Eastern Arc Forests Ecoregion - WWF
Eastern Arc Mountains Information Service
Nature Kenya
Wildlife Conservation Society - Tanzania

East Melanesian Islands
Conservation International - Melanesia
The Nature Conservancy - Solomon Islands
WWF - Solomon Islands
Solomon Islands Development Trust
South Pacific Regional Environmental Programme

Guinean Forests of West Africa
Fauna and Flora International - Nature Conservation in Liberia
UNEP - Great Ape Survival Project
West Africa Conservation Priority-Setting Workshop
WWF - Africa Programme

Himalaya
Bird Conservation Nepal
Bombay Natural History Society
The Institute for Himalayan Conservation
International Center for Integrated Mountain Development
IUCN - Nepal
The Mountain Institute - Himalayan Program
Royal Society for Protection of Nature
WWF - Bhutan
WWF-Nepal

Horn of Africa
Arabian Oryx Sanctuary - Oman
IUCN - East Africa
Murulle Foundation
Somali Environmental Protection And Anti-Desertification Organization
WWF - East Africa

Indo-Burma
BirdLife International - IndoChina
Fauna and Flora International - Asia-Pacific Programme
Save the Tiger
Thailand Environmental Institute
WWF - Thailand

Irano-Anatolian
Conservation of the Asiatic Cheetah Project
Doga Dernegi
UNEP Environmental Impact Assessment - Iran
Wildlife Conservation Society - Iran
WWF - Turkey

Japan
Biodiversity Network Japan
Conservation International - Japan
Friends of the Earth - Japan
Japan Center for Sustainable Environment and Society
The Nature Conservancy - Japan
Nature Conservation Society of Japan
Sea Turtle Association of Japan
Wild BIrd Society of Japan

Madagascar & Indian Ocean Islands
The African Conservation Foundation - Madagascar
GIS and Conservation for Madagascar - Royal Botanic Gardens, Kew
Institute for the Conservation of Tropical Environments
Madagascar Biodiversity and Conservation - Missouri Botanical Garden
Madagascar Wildlife Conservation
The Mauritius Wildlife Foundation
Nature Protection Trust of Seychelles
Nature Seychelles
The Peregrine Fund - Madagascar Project

Madrean Pine-Oak Woodlands
CEMEX - Maderas del Carmen
Conservation International - Gulf of California
Conservation International - Mexico
Fondo Mexicano para la Conservacion de la Naturaleza (In Spanish)
Sierra Madre Alliance
Sky Island Alliance

Maputaland-Pondoland-Albany
BirdLife - South Africa
Endangered Wildlife Trust
Kruger National Park
South African National Parks
Subtropical Ecosystem Planning Project
Wildlife and Environmental Society of South Africa
WWF - South Africa

Mediterranean Basin
The Association of Forest Development and Conservation - Lebanon
BirdLIfe - Cyprus
Doga Dernegi
Friends of Nature - Lebanon
IUCN Mediterranean Program
Mediterranean Island Plant Specialist Group
The Mediterranean Wetlands Initiative

Mesoamerica
Biodiversity in Costa Rica - INBio
Conservation International - Mexico
International Primate Sanctuary of Panama
San Lorenzo Protected Area, Panama Smithsonian Tropical Research Institute
Tropical Science Center (CCT)

Mountains of Central Asia
Ecological Society - Green Salvation
Fauna and Flora International - Eurasia Program
International Snow Leapord Trust
UNESCO - MAB Program - Kyrgyzstan

Mountains of Southwest China
Biodiversity Working Group - China Council for International Cooperation
Chinese Biodiversity Information System
China's Biodiversity: A Country Study
Institute of Human Ecology
International Snow Leopard Trust
Panda Conservation - WWF
The Red Panda Species Survival Plan

New Caledonia
Endémía - Promotion de la bio-diversité Néo-Calédonienne (in French)
ESCAP Virtual Conference: Mining Activities in New Caledonia
New Caledonia Dry Forests ecoregion - WWF
New Caledonia information page - Missouri Botanical Garden

New Zealand
Botanical Society of Otago
Entomological Society of New Zealand
Global Volunteer Network: New Zealand
Kakapo Recovery Programme
Kiwi Recovery Programme
Museum of New Zealand Te Papa
New Zealand Department of Conservation
New Zealand Ecological Society
New Zealand National Parks and Conservation Fund
New Zealand Penguins
Ornithological Society of New Zealand
Wellington Botanical Society

Philippines
Babilonia Wilner Foundation
Coral Cay Conservation
Haribon Foundation
Philippine Tarsier Foundation, Inc.
Synopsis of the Mammalian Fauna of the Philippine Islands
Threatened Species Program
Vanishing Treasures of the Philippine Rain Forest
World Land Trust - Philippine Reef and Rain Forest Project
WWF - Philippines

Polynesia & Micronesia
Conservation Council for Hawaii
Hawaii's Endangered and Threatened Species
Island Directory - Environmental and geographic information
The Nature Conservancy of Hawaii
Ornithological Society of Polynesia (MANU)
Pacific Seabird Group
South Pacific Regional Environment Programme (SPREP)
WWF South Pacific Programme

Southwest Australia
Australian Conservation Foundation
Australia's Heritage Places: Sustainable Tourism
Southwest Australia Woodlands ecoregion - WWF

Succulent Karoo
The Botanical Society of South Africa
National Botanical Institute, South Africa (NBI)
PlantzAfrica -- Plants Native to South Africa
South African National Parks
Southern African Plant Red Data List Project
Succulent Karoo Ecosystem
WWF South Africa

Sundaland
Conservation International - Indonesia
Global Forest Watch - Indonesia
Indonesian Nature Conservation Database
Orangutan Foundation International
Save the Tiger Fund
Web Journal dedicated to the study of Southeast Asian Biodiversity
World Rainforest Information Portal

Tropical Andes
Conservation International - Bolivia
Conservation International - Colombia
Conservation International - Peru
Cordillera Tropical
ProAves Colombia
Program BioMap
Venezuela's EcoPortal - The Andes
World Land Trust - Fundacion Jocotono

Thumbes-Chocó-Magdalena
CENSAT Agua Viva
Charles Darwin Foundation
Conservation International - Colombia
Corporacion Ornitologica del Equador
Foundation Natura - Columbia (In Spanish)
Fundación Cabo San Francisco
Instituto Alexander von Humboldt
Jatun Sacha
ProAves Colombia
Program BioMap

Wallacea
Global Forest Watch - Indonesia
Indonesia Oceanic Cetacean Program
Indonesian Nature Conservation Database
Operation Wallacea
Wetlands International - Indonesia Program

Western Ghats & Sri Lanka
Ashoka Trust for Ecology and the Environment
Center for Science and Environment - India
The Nilgiri Tahr Foundation
Wildlife Heritage Trust of Sri Lanka