The Environmental Protection Agency appears to be taking steps to extricate itself from research that could be critical of hydraulic fracturing, environmentalists say. The latest evidence is the EPA's decision to relinquish a study to Wyoming after a draft report linked water pollution and hydraulic fracturing in the state, environmental groups say. "We're seeing a pattern that is of great concern," said Amy Mall of the Natural Resources Defense Council. "They need to make sure that scientific investigations are thorough enough to ensure that the public is getting a full scientific explanation."
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