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UNITED STATES - FEBRUARY 17: From left, Rep. Maurice Hinchey, D-N.Y.,  Josh Fox, director of the documentary film "Gasland," and actor Mark Ruffalo hold a news conference at the House Triangle on Thursday, Feb. 17 , 2011, to highlight the need for stronger federal rules to protect drinking water and the overall environment from the risks associated with the natural gas drilling technique known as hydraulic fracturing. (Photo By Bill Clark/Roll Call)

UNITED STATES - FEBRUARY 17: From left, Rep. Maurice Hinchey, D-N.Y., Josh Fox, director of the documentary film "Gasland," and actor Mark Ruffalo hold a news conference at the House Triangle on Thursday, Feb. 17 , 2011, to highlight the need for stronger federal rules to protect drinking water and the overall environment from the risks associated with the natural gas drilling technique known as hydraulic fracturing. (Photo By Bill Clark/Roll Call)

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