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8 eco-superheroes that might surprise you

By: Matt Hickman on Jan. 7, 2011, 11:30 a.m.
Julia Butterfly Hill

Photo: borderhacker/Flickr

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Julia Butterfly Hill

Julia Butterfly Hill — the original tree hugger — first made international headlines in the late 1990s when she lived in a California redwood for two years to prevent it from being cut down, and this green wonder woman didn’t stray from her passionate eco-convictions in the least bit in the following decade as the founder of the Circle of Life Foundation and a motivational speaker.