As You Sow Foundation
Broad Reach Fund
Builders Initiative
California Wellness Foundation
Canary Fund
Cedar Tree Foundation
Charles Stewart Mott Foundation
Civis Consulting, Inc.
Clif Family Foundation
Climate & Clean Energy Equity Fund
Community Foundation for Greater Buffalo
CS Fund
Energy Foundation
Fine Fund
Food and Farm Communications Fund
Forsythia Foundation
Foundation for Pennsylvania Watersheds
Franciscan Sisters of Mary
Fred A. and Barbara M. Erb Family Foundation
GRACE Communications Foundation
Green Media Group
HELTS Fund
Hull Family Foundation
Jacob and Hilda Blaustein Foundation
Jenifer Altman Foundation
Jonas Philanthropies
Joyce Foundation
JPB Foundation
Keith Campbell Foundation for the Environment
Kresge Foundation
Laughing Gull
Liberty Hill Foundation
Lucy Rockefeller Waletzky, M.D.
Marisla Foundation
McKnight Foundation
Nathan Cummings Foundation
New England Grassroots Environment Fund
New York Community Trust
NorthLight Foundation
Park Foundation
Passport Foundation
Patagonia
Philanthropic + Nonprofit Consulting
Pisces Foundation
Plastic Solutions Fund
Robert Wood Johnson Foundation
Rockefeller Family Fund
Roy and Patricia Disney Family Foundation
Singing Field Foundation
Sustain Our Future
The 2030 Fund
Wallace Global Fund
Water Foundation
William Penn Foundation