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9 not-so-crazy ideas to combat climate change

By: Bryan Nelson on March 8, 2010, 11:01 a.m.
Garlic-eating cattle

Photo: Mike Licht/Flickr

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Raise garlic-eating cattle

Cows and other common livestock release millions of tons of the potent greenhouse gas methane into the atmosphere every year. The solution? Some scientists have suggested feeding the world's cattle a bunch of garlic. Garlic is known to kill the methane-producing stomach bacteria that make cow flatulence so deadly. Dealing with the resulting bad cow breath might also require some creative solutions.