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Earth day

Earth Day: A Look Back [PHOTOS]

Apr 21, 2011 – 6:00 PM
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AOL News
Friday marks the 41st anniversary of Earth Day. Take a look back at the history of Earth Day in this photo gallery, starting from the very first celebration in 1970.
More Earth Day Coverage:
  • - The Earth From Above [PHOTOS]
  • - Earth Day: The Planet's Most Extreme Places [PHOTOS]
  • - Earth Day: Endangered Species [PHOTOS]
  • - Earth Day: A Look Back [PHOTOS]
  • - On Earth Day, Oil Cleanup Continues in the Gulf [PHOTOS]
  • - For Rocker Jackson Browne, Every Day is Earth Day
  • - Green Taxi Company Grows Fleet and Bottom Line
  • - Parents to Change Record-Setting 10,000 Cloth Diapers
  • - California Family Approaches Zero Waste
  • - In Death Valley Heat, Salt Creek Pupfish Find a Way to Survive
  • - Naked Ambition: How PETA's Strategy of Nearly Nude Protesting Pays Off
  • - Feeling Green? Buy Paper Made Out of Poo
  • Filed under: Nation, Photo
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