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11 clean tech innovations that can change the world

By: Bryan Nelson on April 5, 2010, 10:23 a.m.
A wind turbine in a field of sunflowers on a cloudy day

Photo: Jamiecat */Flickr [CC by 2.0]

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Imagination is key

The clean technology boom seems to spread exponentially every year. These new eco-friendly inventions compete with, and sometimes surpass, their conventional counterparts. It's a reminder that the only thing tying us to old, less-than-clean industries is a lack of imagination. Here's our list of some of clean tech's most recent planet-saving innovations. (Text: Bryan Nelson)