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Pennsylvania colony governor William Penn told colonists to conserve one tree for every five trees cut down
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Congress passed the Burton Act,which preserved Niagra Falls from power facilites
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After a seven year debate between enviromentalists and Californians looking for water rights. Congress then passed the Raker Act.
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This is when congress established the National Park Service and today there are about 400 national parks in America.
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Congress passed this act to prevent the extinction of the bald eagle.
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Rachel Carson publishes Silent Spring and it warned people about how dangerous pesticides can be.
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General Motors president promised Americans pollution free cars by 1980.
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Congress passed this act designating over 100 million acres of parks, wildlife refuges, and wilderness areas in the state.
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The former U.S vice president released An inconvenient Truth and it raised awareness of global warming.
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Great Lakes compact signed by all Great Lakes states tried to stop distribution and sale of water to nonregions.
