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An American diplomat and philologist, is considered by some to be America's first environmentalist and the precursor to the sustainability concept
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John Muir was a Scottish-American naturalist, author, environmental philosopher and early advocate of preservation of wilderness in the United States.
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1868-1952-1969
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Alice Hamilton was the first woman appointed to the faculty of Harvard University and was a leading expert in the field of occupational health.
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Is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872
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Aldo Leopold was an American author, scientist, ecologist, forester, conservationist, and environmentalist.
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Is a conservation law in the United States that prohibits trade in wildlife, fish, and plants that have been illegally taken, possessed, transported, or sold.
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Edward Paul Abbey was an American author and essayist noted for his advocacy of environmental issues, criticism of public land policies, and anarchist political views.
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The Civilian Conservation Corps (CCC) was a public work relief program that operated from 1933 to 1942 in the United States for unemployed, unmarried men from relief families as part of the New Deal.
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was a period of severe dust storms that greatly damaged the ecology and agriculture of the US and Canadian prairies during the 1930s severe drought and a failure to apply dryland farming methods to prevent wind erosion caused the phenomenon.
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The Wilderness Act of 1964 was written by Howard Zahniser of The Wilderness Society. It created the legal definition of wilderness in the United States, and protected 9.1 million acres of federal land.
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Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network, and celebrated in more than 192 countries each year.
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The Clean Air Act is a United States federal law designed to control air pollution on a national level. It is one of the United States' first and most influential modern environmental laws, and one of the most comprehensive air quality laws in the world.
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The Occupational Safety and Health Administration (OSHA) is an agency of the United States Department of Labor. Congress established the agency under the Occupational Safety and Health Act, which President Richard M. Nixon signed.
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The Clean Water Act (CWA) is the primary federal law in the United States governing water pollution. Its objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters by preventing point and non point pollution sources.
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The Three Mile Island accident was a nuclear meltdown that occurred on March 28, 1979, in reactor number 2 of Three Mile Island Nuclear Generating Station in Dauphin County, Pennsylvania, United States. It was the worst accident in U.S. commercial nuclear power plant history.
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