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'Garbage Lasagna': Dumps Are a Big Driver of Warming, Study Says
Decades of buried trash is releasing methane, a powerful greenhouse gas, at higher rates than previously estimated, the researchers said. From a report: These landfills also belch methane, a powerful, planet-warming gas, on average at almost three times the rate reported to federal regulators, accor...
It adds to a growing body of evidence that landfills are a significant driver of climate change, said Riley Duren, founder of the public-private partnership Carbon Mapper, who took part in the study. Like carbon dioxide the main greenhouse gas that's warming the world, methane acts like a blanket in the sky, trapping the sun's heat. The Environmental Protection Agency estimates that landfills are the third largest source of human-caused methane emissions in the United States, emitting as much greenhouse gas as 23 million gasoline cars driven for a year.
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