The story of American conservation began nearly a hundred years before the first Earth Day in 1970.Yellowstone National Park was founded in 1872.The early conservationists wanted to preserve picturesque wilderness areas for future generations.But with soil erosion during the 1930s, the movement shifted focus.The government sponsored programs to heal the eroded landscape.Soon Americans faced new environmental problems: pesticides and water pollution, global warming and acid rain.People started to realize that by hurting the earth, they were hurting themselves.In This Land Is Your Land, you'll read about the conservation movement in the U. S.--from Teddy Roosevelt's western adventures to the founding of the Girl Scouts and the 1960s back-to-the-land movement.Songs, sayings, journal entries, and breathtaking photographs capture the American landscape--and the people's efforts to save it.
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