Fracking Wastewater Disposal Linked to Earthquakes, Report Finds

Fracking Wastewater Disposal Linked to Earthquakes, Report Finds

Melanie Stetson Freeman/The Christian Science Monitor via Getty Images

Natural gas well and containment tanks are are seen on the Vargson farmlands on March 19, 2012 in Granville Summit, Pennsylvania. The Vargson dairy farm lies within the Marcellus Shale region that has attracted oil companies to the area.