Does Massive Methane Hotspot Reveal Bigger Problem?

April 13, 2015 5:53 PM

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The Four Corners region of the southwestern U.S.– where Arizona, Utah, Colorado and New Mexico meet — is one of the most ruggedly scenic locales you could imagine.

But Four Corners has another, more puzzling distinction. As a 2014 study of data from a European satellite by NASA and University of Michigan researchers revealed, a 2,500-square mile area near the intersection produces the nation’s biggest concentration of methane, a greenhouse gas that’s many time...

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