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William penn orders to conserve 1 tree for every 5 cut down.
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It became illegal to transport wildlife over state borders, and outlawed hunting in YellowStone National park.
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President Roosevelt said that provisions should be made for bisons.
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The Burton act restricted Hydroelectric power plants for Niagra Falls. It Helped Niagra Falls flourish to this day and become a beauty of nature.
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georgia filed a suit against the tennessee copper company for polluting Georgia. Georgia won the suit.
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Hetch Hetchy Valley is able to flood, and the building of a dam in Yosmite National Park.
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During the great depression president Roosevelt formed a group called the Civilian Conservation Corps to protect natural resources.
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Helped Bald Eagles survive. The Blad Eagle was removed from the endangered species list in 2007.
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Rachel Carson published Silent Spring, which told of the dangers of pesticides, especially DDT, to water supplies and wildlife. The federal government outlawed the use of pesticides like DDT some years later.
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Regulates air pollution into making it a nicer place.
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A photo from space that is a picture of Earth from NASA, which raised awareness of environmental issues.
