EPA's late changes to fracking study downplay risk of drinking water pollution

Top officials of the U.S. Environmental Protection Agency last year made critical changes at the eleventh hour to a highly anticipated, five-year scientific study of hydraulic fracturing’s effect on the nation’s drinking water. The changes, later criticized by scientists for lacking evidence, played down the risk of pollution that can result from the well-drilling technique known as fracking. Documents obtained by APM Reports and Marketplace show that in the six weeks before the study’s public release, officials inserted a key phrase into the...

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