The following organisations are among the Institute's principal financial supporters:

• Commonwealth Foundation
• European Commission
• Humanist Institute for Co-operation with Developing Countries (Hivos)
• International Development and Research Centre
• International Fund for Agricultural Development
• The John D. and Catherine T. MacArthur Foundation
• New England Biolabs Foundation
• Ramsar Convention Bureau/Wetlands for the Future Initiative
• United Nations Environment Programme
• United Nations Development Programme/ Global Environmental Facility
• United Kingdom's Department for International Development in the Caribbean
• United Kingdom's Department for International Development/Natural Resources Systems Programme

CANARI is recognised by the U.S. Internal Revenue Service as a 501 (c) (3) non-profit organisation.