case study: shale gas fracking, USA


shale gas

  • formed millions of years ago as mud and clay depositied on sea bed along with micro organisms. through millions of years of heat, pressure and time,  shale formed and microorganisms became trapped gas
  • frackingis the process of extracting shale gas
  • US led the way in making shale gas an economically valuable resource

economic beneits


  • produced $6billion worth of shale gas
  • increased number of…


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