After the Environmental Protection Agency (EPA) had confirmed fracking was generating water pollution, it’s now the United States Geological Survey (USGS).

The presentation took place during this event: “The changing outlook for U.S. energy : will shale gas transform America’s future ?”

organized by the “Howard Baker Forum”and the “Lawrence Livermore National Laboratory”.

Links: http://www.epa.gov/region8/superfund/wy/pavillion/EPA_ReportOnPavillion_Dec-8-2011.pdf http://pubs.usgs.gov/ds/718/ http://docs.nrdc.org/energy/files/ene_12050101a.pdf