Shallow fracking raises questions for drinking water

21 julio 2015

Scientist’s investigations show that drinking water sources may be threatened by thousands of shallow oil and gas wells mined with the controversial process of hydraulic fracturing. A new study suggests safeguards.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/3fifMkt2s0Y» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/3fifMkt2s0Y/150721124437.htm

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