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6 eco-friendly presidents

Feb. 21, 2011, 10:58 a.m.
Lyndon B. Johnson with wife

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Lyndon B. Johnson

Lyndon Johnson became the 36th President of the United States after John F. Kennedy was assassinated in 1963. Johnson was re-elected to the office in 1964 and set about enacting his "Great Society" plan, a broad package of proposals and laws intended to end poverty and racial injustice. The package also had a strong environmental focus and was responsible for the creation of the Wilderness Act of 1964, the Endangered Species Preservation Act of 1966, the National Trails System Act of 1968, and the Land and Water Conservation Act of 1965.