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Leopold, Aldo

(Encyclopedia) Leopold, Aldo, 1886–1948, American ecologist, b. Burlington, Iowa. He was an advocate for a land ethic, in which humans see themselves as part of a natural community. After work in the…

Carson, Rachel Louise

(Encyclopedia) Carson, Rachel Louise, 1907–64, American writer and marine biologist, b. Springdale, Pa., M.A. Johns Hopkins, 1932. Her well-known books on sea life—Under the Sea-Wind (1941), The Sea…

Snyder, Gary

(Encyclopedia) Snyder, Gary, 1930–, American poet, b. San Francisco. Associated with the beat generation of the 1950s, he lived (1956–68) in Japan, where he trained as a Zen monk. His poetry,…

Commoner, Barry

(Encyclopedia) Commoner, Barry, 1917–2012, American biologist, educator, and activist, one of the founders of the modern environmental movement, b. Brooklyn, N.Y., grad. Columbia (B.A., 1937),…

Earth Day: History & Biographies

History & Biographies Take a look at the history of the environmental movement and read biographies of pioneers in the field. Environmental Milestones Timeline…

Earth Day

Spikes in prices raise awareness of the need to conserve resources Earth Day was first celebrated in 1970, a result of the efforts of Sen. Gaylord Nelson (D-Wis.), a passionate advocate of…

Milestones in Environmental Protection

Preservation and conservation milestones in the United States by Holly Hartman 1840s–1860s 1870s–1880s 1890s–1920s 1930s–1960s 1970s 1980s 1990s 2000s Most Recent Entry…

environmentalism

(Encyclopedia) environmentalism, movement to protect the quality and continuity of life through conservation of natural resources, prevention of pollution, and control of land use. The philosophical…