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Five good green ideas from the U.S. government

By: Shea Gunther on Oct. 16, 2009, 11:21 p.m.
View of Turret Arch. Arches National Park, Utah

Photo: Ian D. Keating/Flickr

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The U.S. parks system

The roots of today's U.S. National Parks Service were planted by Abraham Lincoln, who signed an act of Congress in 1864. But the federal government wouldn't get around to organizing the National Parks Service until 1916.