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NEED TO KNOW

Investigation: Hydraulic Fracturing

  • Aired: 09/02/2010
  • 18:17
  • Expires: 09/02/2015
  • Rating: NR
In collaboration with ProPublica, correspondent John Larson investigates hydraulic fracturing ("fracking"), a method of drilling for natural gas that has significantly increased natural gas production in the U.S. Critics say that fracking has the potential to pollute vast sections of the nation's water supply.
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Investigation: Hydraulic Fracturing
Investigation: Hydraulic Fracturing
Oil and gas drilling.
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