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Millions of abandoned oil wells are leaking methane, a climate menace

Groom, Nichola
http://www.reuters.com/article/us-usa-drilling-abandoned-specialreport/special-report-millions-of-abandoned-oil-wells-are-leaking-methane-a-climate-menace-idUSKBN23N1NL

Publisher:  Reuters
Date Written:  16/06/2020
Year Published:  2020  
Resource Type:  Article

Green explores the repurcussions of more than a century's worth of oil and gas drilling, particularly leaks from abandoned wells that release pollutants into the air and water.

Abstract: 
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Excerpt:

Leaks from abandoned wells have long been recognized as an environmental problem, a health hazard and a public nuisance. They have been linked to dozens of instances of groundwater contamination by research commissioned by the Groundwater Protection Council, whose members include state ground water agencies. Orphaned wells have been blamed for a slew of public safety incidents over the years, including a methane blowout at the construction site of a waterfront hotel in California last year.

They also pose a serious threat to the climate that researchers and world governments are only starting to understand, according to a Reuters review of government data and interviews with scientists, regulators, and United Nations officials. The Intergovernmental Panel on Climate Change last year recommended that U.N. member countries start tracking and publishing the amount of methane leaching from their abandoned oil and gas wells after scientists started flagging it as a global warming risk. So far, the United States and Canada are the only nations to do so.

The U.S. figures are sobering: More than 3.2 million abandoned oil and gas wells together emitted 281 kilotons of methane in 2018, according to the data, which was included in the U.S. Environmental Protection Agency’s most recent report on April 14 to the United Nations Framework Convention on Climate Change. That’s the climate-damage equivalent of consuming about 16 million barrels of crude oil, according to an EPA calculation, or about as much as the United States, the world’s biggest oil consumer, uses in a typical day. (For a graphic on the rise in abandoned oil wells, click tmsnrt.rs/2MsWInw )

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