Small efforts to reduce methane, soot could have big effect

Simple measures could slow global warming, reduce premature deaths

By Devin Powell, 15:30 PM January 12, 2012

Carbon dioxide may be public enemy number one in the fight against global warming. But taking aim at methane and soot has a better chance of keeping the planet cooler in the short run, a new study finds.

Cutting the amounts of these two pollutants that are poured into the sky would diminish warming by half a degree Celsius by 2050, researchers report in the Jan. 13 Science. That could buy a little time for the world — slowing sea level rise, glacial melting and other problems caused by ris...

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