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10 intriguing environmentalists

Oct. 16, 2009, 11:23 p.m.
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Naked Bike Riders

Nothing like some skin to sell your message. Taking its cue from the advertising industry, World Naked Bike Ride began organizing its au naturel rides five years ago in cities around the world. Its message: that cars promote oil dependency and spew dangerous fumes that harm cyclists, pedestrians and the planet. Oh, and that bicycles and human bodies (of all sizes, shapes and painted colors) are beautiful.