Shale gas exploration could lead to water contamination because wells may leak underground.

Source: 
Daily Telegraph
Person: 
Emily Gosden reporting study by British Geological Survey
Statement Date: 
Tuesday, 25 March 2014
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Source URL: 
http://www.telegraph.co.uk/earth/energy/fracking/10720253/Shale-gas-wells-could-leak-and-contaminate-water-supplies-report-warns.html