Celebs saving the planet
April 21, 2013 -- Updated 2204 GMT (0604 HKT)
Actress Daryl Hannah was handcuffed and arrested while protesting the Keystone XL Pipeline in Washington, D.C., in February. She's also the executive producer of the documentary, "Greedy, Lying Bastards," which explores climate change denial. She's just one of many celebs who've taken a stand or taken a chance to change the way the we power the planet.
Ed Begley Jr.
Dave Matthews Band
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