Early National Conservation Organizations

Posted: 01-Jan-2000; Updated: 17-Jan-2002

Many of today's groups had their beginnings long before Rachel Carson published Silent Spring in 1962.


Organization

Founded

Recent Membership


American Forestry Association

1875

35,000

Sierra Club

1892

450,000

Wildlife Conservation International

1895

34,000

National Audobon Society

1905

550,000

National Parks and Conservation Association

1919

70,000

The Izaac Walton League of America

1922

50,000

The Wilderness Society

1935

220,000

National Wildlife Federation

1936

5,800,000

Ducks Unlimited

1937

610,000

Defenders of Wildlife

1947

80,000

The Nature Conservancy

1951

343,000

Friends of Animals

1957

120,000

Trout Unlimited

1959

58,000

World Wildlife Fund-U.S.

1961

500,000


Source: Conservation Directory

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