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
Shallow fracking raises questions for drinking water
21 julio 2015
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