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Fracking Data Sought by Environmental Groups in EPA Lawsuit

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A coalition of advocacy groups sued the U.S. Environmental Protection Agency for public access to information on toxic chemicals released by the energy industry through hydraulic fracturing, or fracking, and other forms of oil and gas drilling.

Fracking involves the injection of water, chemicals and sand below ground to extract oil and gas from shale formations. The process has been criticized as environmentally dangerous, even as its use has driven U.S. natural gas production to new highs amid litigation across the country.