A major study into the potential of fracking to contaminate drinking water with methane has been published.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/study-maps-fracking-methane-risk-drinking-water
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bbc-uk
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-gas-exploration
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/methane
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution