Alaska Wilderness League, member, since 2007.

Alley Cat Rescue

American Civil Liberties Union/ACLU of Massachusetts, member, since 2005.

American Friends Service Committee, supporter, since 2007.

American Farmland Trust, supporter, since 2006.

American Jewish Committee, Boston chapter, member, since 2000.

American Society for the Prevention of Cruelty to Animals (ASPCA), member, since 2006.

Amnesty International USA, member, since 2005.

Animal Legal Defense Fund, member, since 2007.

Animal Protection Institute, member, since 2007.

Animal Save International, founding member, since 2006.

Best Friends Animal Society (Kanab, Utah), supporter, since 2006.

Brookline Police Mutual Aid Association, supporter, since 2006.

Cape Cod Stranding Network, member, since 2006.

Castleton Ranch Horse Rescue (Lancaster, Calif.), supporter, since 2007.

Committee for Sensible Marijuana Policy, member, since 2007.

Co-op America, member, since 2005.

Council of Indian Nations, supporter, since 2007.

Defenders of Wildlife, member, since 2006.

Doris Day Animal League, supporter, since 2007.

Earthjustice, member, since 2007.

Environmental Defense Action Fund, member, since 2006.

Food Not Bombs, supporter, since 2006.

Forest Service Employees for Environmental Ethics, citizen member, since 2007.

Front Range Equine Rescue, supporter, since 2007.

The Fund for Animals, supporter, since 2007.

Global Warming Action Network, member, since 2006.

Humane Society International, member, since 2006.

• Humane Society Legislative Fund, supporter, since 2007.

International Animal Rescue, supporter, since 2007.

The Jane Goodall Institute, supporter, since 2007.

Just Cats Sanctuary, North Branch, NY.

League of Conservation Voters, member, since 2006.

Lifesavers Wild Horse Rescue (Bakersfield, Calif.), supporter, since 2007.

Massachusetts Audubon Society, member, since 2006.

Massachusetts Society for the Prevention of Cruelty to Animals (MSPCA), supporter, since 2007.

National Audubon Society, member, since 2005.

National Marine Life Center, supporter, since 2007.

National Parks Conservation Association, member, since 2005.

National Wildlife Federation, member, since 2005.

Natural Resources Defense Council, member, since 2005.

The Nature Conservancy (Mass.), member, since 2004.

North Shore Animal League America, supporter, since 2007.

The Ocean Conservancy, member, since 2006.

Oglala Lakota College (Kyle, S.D.), supporter, since 2006.

• Tatanka Okolakiciye (Buffalo Calf Society), member, since 2007.

• Student Success Fund, patron, since 2006.

Pacifica Radio, supporter, since 2007.

Peaceful Valley Donkey Rescue (Santa Clarita, Calif.), supporter, since 2007.

People Helping Horses (Marysville, Wash.), affiliate, since 2007.

Pesticide Action Network North America, member, since 2007.

Physicians Committee for Responsible Medicine, member, since 2007.

Planned Parenthood, member, since 2005.

Public Citizen, supporter, since 2006.

Rainforest Alliance, supporter, since 2007.

Red Lion video collective (University of California, San Diego), founding member, since 1992.

Redwing Horse Sanctuary, Lockwood, Calif., supporter, since 2007.

Save-the-Redwoods League, member, since 2007.

Sierra Club, member, since 2005.

Southwest Indian Relief Council, supporter, since 2006.

Tiger Creek Wildlife Rescue (Tyler, Texas), supporter, since 2007.

Tiger Haven (Knoxville, Tenn.), supporter, since 2007.

Union of Concerned Scientists, member, since 2007.

Waterkeeper Alliance, supporting member, since 2007.

WGBH, member, since 2007.

The Wilderness Society, member, since 2006.

Wildlife Waystation, supporter, since 2006.

Women’s Humane Society for the Prevention of Cruelty to Animals (Bensalem, Penn.), shelter friend, since 2007.

World Wildlife Fund, member, since 2006.