Best Celebrity: Darryl Hannah
Shown here testing the "water" in Ecuador's oil region on June 4, 2007, Darryl Hannah tops our list with her passion for biodiesel, eco-video blog Dh Lovelife, and activism for South Central Farm in Los Angeles. Not convinced? Read the TH Interview: Darryl Hannah in Ecuador. -Emma Grady
Photo: AP/ Dolores Ochoa
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