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9 not-so-crazy ideas to combat climate change

By: Bryan Nelson on March 8, 2010, 11:01 a.m.
Drop tree bombs on the planet

Photo: Jin-Wook Hwang

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Drop tree bombs

Some geo-engineers believe we can generate almost-instant forests by dropping "tree bombs" from a plane. The bombs would be packed full of seedlings that are dispersed after they explode on the ground. It may sound outlandish, but this is one idea that has garnered some credibility because it successfully regenerated mangrove forests after Hurricanes Katrina and Rita.