Oil and Gas Fields Leak Far More Methane than EPA Reports, Study Finds — Inside Climate News

Colorado has led the way on regulations designed to limit emissions of methane. Photo/Allen Best

From Inside Climate News (Sabrina Shankman):

The amount of methane leaking from the nation’s oil and gas fields may be 60 percent higher than the official estimates of the Environmental Protection Agency, according to a new study in the journal Science.

The study, led by a group of scientists from the Environmental Defense Fund (EDF), presents some of the most compelling evidence to date that switching to gas from dirtier fuels like coal might not be as effective a climate strategy as its proponents suggest unless the gas industry improves how it controls leaks…

The authors estimated, conservatively, that methane equivalent to 2.3 percent of all the natural gas produced in the nation is leaking during the production, processing and transportation of oil and gas every year. That doesn’t count leaks from local delivery lines, another widespread problem.

This much leaked methane would have roughly the same climate impact in the short-term as emissions from all U.S. coal-fired power plants, the authors found.

Another way to put it: This rate of leaking methane is just as bad for the climate in the short term as the carbon dioxide that results from burning natural gas for fuel.

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