Most of InterEnvironment Institute's projects are carried out in collaboration with other organizations. The following is a representative sample of cosponsors:

Executive Office of the President of the United States
Governor of California
Lieutenant Governor of California
Senate President pro Tempore, California Legislature
Senate Office of Research, California Legislature
State Lands Commission

Association of Bay Area Governments
California State Association of Counties
League of California Cities
Southern California Association of Governments

Brazilian Foundation for Conservation of Nature
California Cattlemen’s Association
California Council for Environmental and Economic Balance
California Farm Bureau Federation
California Medical Association
Claremont Graduate University
Development Alternatives (New Delhi, India)
Earthscan (London)
The Environment Council (London)
Environmental Defense Fund
InterClimate Network (London)

League of Women Voters of California
Marquis Who’s Who, Inc.
Planning and Conservation League
Public Health Institute
Sierra Club
University of California (various units)
University of Southern California
Western States Petroleum Association
World Future Society


The Institute is supported primarily by grants and publication sales. The Institute also consults for governmental and international agencies and for other organizations on projects in the public interest.

Our donors have included the following (partial list):

Asia Foundation
Atlantic Richfield Foundation
August Frugé Trust
California Council for the Humanities
California Counties Foundation
Desert Arts Foundation
German Marshall Fund of the United States
GTZ: Deutsche Gesellschaft für Technische Zusammenarbeit GmbH
Richard and Rhoda Goldman Fund
Walter and Elise Haas Fund
John Randolph Haynes and Dora Haynes Foundation
William and Flora Hewlett Foundation
IUCN, the International Union for Conservation of Nature
Jerome Foundation
Rockefeller Brothers Fund
Sierra Club Foundation
L.J. Skaggs and Mary C. Skaggs Foundation
Strong Foundation
Thaddeus Stephen Trzyna Family Trust

Chevron U.S.A.
Dow Chemical Co.
International Paper Co.
McKesson Corporation
Southern California Edison Co.
Waste Management, Inc.

U.S. Department of Agriculture, Forest Service
U.S. Department of the Interior, Bureau of Land Management
U.S. Environmental Protection Agency

California Legislature
California Department of Food and Agriculture
California Department of Health Services
California Natural Resources Agency:
- Department of Forestry and Fire Protection
- Department of Parks and Recreation
- Santa Monica Mountains Conservancy
Mountains Recreation and Conservation Authority

French Ministry of the Environment
United Nations Environment Programme




Partners & donors