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Tyee: A Princeton University study has found that leaks from abandoned oil and gas wellbores pose not only a risk to groundwater, but represent a growing threat to the climate.
Between 200,000 and 970,000 abandoned wells in the state of Pennsylvania likely account for four to seven per cent of estimated man-made methane emissions in that jurisdiction, a source previously not accounted for, the study says.
Pennsylvania, much like Alberta in Canada, is the oldest oil and gas producer in the United......
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Abandoned oil wells spouting significant levels of methane, study finds
Posted by Tyee: Andrew Nikiforuk on June 14th, 2014
Posted in Water Conservation