Lustgarten, Abrahm. “Buried Secrets: Is natural gas drilling endangering U.S. water supplies?” ProPublica. November 13, 2008.

An ongoing investigation into fracking since 2008 found court and government documentation of more than 1,000 cases of water contamination in Colorado, New Mexico, Alabama, Ohio and Pennsylvania. Reporters have unearthed gas and oil company campaign donations to members of Congress opposed to fracking disclosure requirements and catalogued individual and community case studies on the dangers of fracking, including environmental violations and contamination.

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