Foundations
- Aqua Foundation
- Betsy and Jesse Fink Fund
- Campbell Foundation
- Carolyn Foundation
- Civil Society Institute
- Energy
Foundation
- Energy Trust of Oregon
- Environmental Defense
- Garfield Foundation
- Henry P. Kendall Foundation
- John Merck Foundation
- Joyce Foundation
- Mertz Gilmore Foundation
- Oak Hill Fund
- Robertson Foundation
- Rockefeller Brothers Fund
- Ruskin-Zafren Foundation
- Sea Change Foundation
- Surdna Foundation
- Town Creek Foundation
- Turner Foundation
- Water Environment Research Foundation
- Westwind Foundation
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