Reuters: Fracking for shale oil and gas has not led to widespread pollution of drinking water, a U.S. Environmental Protection Agency draft report said on Thursday, although it warned some drilling activities could potentially cause health risks.
The study, requested by Congress and five years in the making, said fracking could contaminate drinking water under certain conditions, such as when fluids used in the process leaked into the water table.
The EPA said it found isolated cases of water contamination,...