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Energy/Environment Soot is No. 2 global-warming culprit, study finds (+video)

A new study suggests that soot plays a major role in climate change – second only to carbon-dioxide emissions. Targeting soot could lead to quicker results in battling global warming.

AP

From diesel engines to cow-dung cook fires, soot from inefficiently burned fuel has supplanted methane as the second most significant global-warming agent that humans are pumping into the air, according to an exhaustive review of more than a decade's worth of research on black-carbon soot emissions.

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