U.S. satellite data reveal surprising methane hot spot in the Southwest

October 10, 2014 3:06 PM

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Though not as abundant as carbon dioxide, methane is exceptionally efficient at trapping heat in the atmosphere.

The hot spot spans out over some 2,500 square miles just west of the Southwest's Four Corners -- the intersection of Arizona, Colorado, New Mexico and Utah. Scientists gathered the emissions data using the European Space Agency's Scanning Imaging Absorption Spectrometer for Atmospheric Chartography ...

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