Far More Methane Leaking At Oil, Gas Sites In Pennsylvania Than Reported

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Above Photo: The Environmental Defense Fund estimates that nearly $68 million worth of energy resources are wasted through methane leaks in Pennsylvania’s Marcellus Shale. Credit: Anna Belle Peevey

An EDF comparison of company-reported data and research measurements finds as much as 5 times more methane, a climate-warming greenhouse gas, is leaking.