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91热爆 Scotland Investigates 2015, The War over Fracking Clips

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  1. The front line in the war against fracking

    Duration: 01:26

  2. Why do companies want to drill for shale gas in Scotland?

    Duration: 01:01

  3. Revealed: The supersized shale gas storage plant being built at Grangemouth

    Duration: 00:31