- A Luoi District People's Committee
- Agenzia Regionale per i Parchi - Regione Lazio
- Agenzia Regionale per la Protezione Ambientale della Sicilia
- An Giang University
- Centre for Ecology and Hydrology
- Centro Flora Autoctona (Native Flora Centre of Lombardy)
- China Environmental Protection Foundation (CEPF)
- China Landscape and Historic Sites Association (CLHSA)
- Coralina
- Countryside Council for Wales
- Department of Natural Resources and Environment of Thua Thien Hue
- Department of Natural Resources and Environment, Binh Thuan province
- Department of Science and Technology of Ninh Binh Province
- Directorate for Nature Management
- Ente Foreste della Sardegna
- Federal Agency for Nature Conservation
- FIPI
- Fundacion Biodiversidad
- German Development Cooperation (DED) Viet Nam
- GTZ - Biodiversity
- GTZ - Buon Ma Thuot
- GTZ - Coastal Zone Management Project, Soc Trang province
- GTZ - Tam Dao Nat'l Park & Buffer Zone Management
- Haiphong Association for Environment Protection
- Institute of Meteorology and Hydrology
- Joint Nature Conservation Committee
- Kosovo Environment Protected Areas (KEPA)
- Land Berlin, Senatsverwaltung für Stadtentwicklung
- Lo Go Xa Mat National Park
- National Adventure Academy
- National Museum of Natural History Naturalis
- Natural England
- Netherland Environmental Assessment Agency
- Niedersaechsische Landesforsten
- Parco Nazionale dell Arcipelago di la Maddalena
- Parque Biologico de Gaia
- Pu Luong Nature Reserve
- Reconstructiecommissie Boven-Dommel
- Reconstructiecommissie Kempenland
- Staatsbosbeheer, Regio Zuid
- Stadtgartnerei Bern
- State Institute of Protection of Nature of Croatia
- Sweden International Development Agency
- Swedish Museum of Natural History
- University of Agriculture and Forestry, HCMC
- Viet Nam Agenda 21, Ministry of Planning and Investment
- Viet Nam Environment Protection Agency (VEPA)
- Vietnam Environment and Sustainable Development Institute
- Vietnam Institute of Fisheries Economics and Planning
- Waterschap Aa en Maas
- Waterschap Brabantse Delta
- Waterschap De Dommel
- Waterschap Rivierenland
- Xuan Lien Nature Reserve
