Fracking Pperation on the Marcellus Shale Formation (IMAGE)

University of Vermont

Fracking Pperation on the Marcellus Shale Formation

Caption

A fracking operation on the Marcellus Shale Formation in Pennsylvania is shown. New research shows that abandoned oil and gas wells near fracking sites can be conduits for methane emissions not currently being measured.

Credit

U.S. Geological Survey/public domain

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