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Wiliam Penn
Pennsylvania colony governor William Penn ordered colonist to conserve one tree for every five trees they cut down -
Hunting in Yelowstone outlawed
The Lacey Art prohibited thetransport of illegally obtained wildlife across state lines and madse hunting in Yellowstone National Park illegal. -
Burton Act
The Burton act was passed by the congress, it keeps hydroelectric power facilties away from Niagara Falls. -
Clean Air Act
Congress passed the first Clean Air Act, that regulated air pollution and emission -
Edward Cole's promise
General Motors president Edward Cloe told Americans there would be "pollution free" cars by 1980 -
NASA
NASA warned Congress about the effects of the global warming. -
Oil Pollution Act
The Oil Pollution Act streamlined the EPA's ability to prevent and clean up serious oil spills. -
Kyoto Protocol
Kyoto Protocol implemanted as countries around the world pleged to cut down on the emission of gasses that cause global warming. -
Live Earth Concerts
Live Earth concerts took place worldwide by many famous artists to raise awareness for climate change. -
Great Lakes Compact
Great lakes compact signed by the states of all eight great lakes to prevent distribution and sale of water to nonregions.
