CRES có quan hệ hợp tác với các cơ quan và tổ chức quốc tế:

• Action for Mangrove Reforestation
• Canadian International Development Agency (CIDA)
• Convention on international trade in endangered species of wild fauna and flora
• Ford Foundation, USA
• East - West Center, Hawaii, USA
• GTZ (Germany)
• Fauna and Flora International (FFI)
• Friends of the Earth (Japan)
• Institute for Global Environmental Strategies - IGES (Japan)
• Institute of Social Studies (ISS), Netherlands
• International Crane Foundation (USA)
• International Development Research Centre (IDRC)
• International Society of Mangrove Ecosystem (SME)
• InWent (former DSE)
• John D. and Catherine T. MacArthur Foundation
• Man and Biosphere (MAB)
• Nagao Natural Environment Foundation (NEF)
• National Environment Foundation of Japan
• Netherlands Development Organization (SNV)
• OROVERDE
• Rockefeller Brothers Fund (USA)
• Swedish International Development Agency (SIDA)
• Toyota Foundation (Japan)
• U.S. Fish and Wildlife Service
• United Nation Environment Programme 
• World Conservation Union (IUCN)
• World Resources Institute (USA)
• World Wide Fund for Nature (WWF)

CRES có quan hệ hợp tác với nhiều trường đại học trên thế giới:

• Aarhus University, Denmark•
• Asian Institute of Technology (AIT)
• Australian National University, Australia
• Boston University, USA
• Chiang Mai University, Thailand
• FREE University of Brussels (VUB), Belgium
• Hawaii University, USA
• Indiana University, USA
• John Hopkins University, USA
• Kyoto University, Japan
• Laval University, Canada
• New Brunswick University, Canada
• St-Marry University, Canada
• Sydney University, Australia
• Swedish Agricultural University, Sweden
• University of Canberra (UC), Australia
• University of New Hampshire, New Zealand
• University of New York, USA