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National Parks Conservation Association

The majestic views overlooking the Grand Canyon make it one of America's favorite destinations, but a new report finds several man-made threats are contributing to the deterioration of Grand Canyon National Park.

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People.com: Sneak Peek: Kenny Chesney's Summer in 3-D Movieupdated: Mon Apr 12 2010 12:31:00

His new concert movie will help with the upkeep of national parks to the tune of $50,000

Smokies top list of most polluted parksupdated: Thu Jun 24 2004 11:56:00

Several of the nation's national parks are choking on bad air, according to a report released Thursday by a coalition of conservation groups.

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