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9 not-so-crazy ideas to combat climate change

By: Bryan Nelson on March 8, 2010, 11:01 a.m.
Close Up of CO2 Carved into Tree Trunk

Photo: Gajus/Shutterstock

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'Plant' fake trees that absorb carbon

Imagine artificial trees — made of proprietary absorbent materials that act like real trees in that they remove carbon dioxide from the air — lining congested highways and sucking up the exhaust of passing vehicles. Even better, imagine that the trapped carbon dioxide is sold to soda makers for carbonation. Believe it or not, this is a real proposal envisioned by Global Research Technologies.