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+21 +1
Two-Thirds of U.S. Gas Supply Now Comes From Fracking
Hydraulic fracturing, the method used to extract oil and natural gas from shale formations deep underground, has gone from a niche activity to the process responsible for more than two-thirds of U.S. gas supply. Fracking now accounts for 67 percent of marketed gas output, up from less than 7 percent in 2000, according to the U.S. Energy Information Administration.
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+25 +1
Scientists say oilfield wastewater spills release toxins
Brine spills from oil development in western North Dakota are releasing toxins into soils and waterways, sometimes at levels exceeding federal water quality standards, scientists reported Wednesday. Samples taken from surface waters affected by waste spills in recent years in the state's Bakken oilfield region turned up high levels of lead, ammonium, selenium and other contaminants, Duke University researchers said.
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+5 +1
Ex-EPA scientist publishes Wyoming fracking study that agency abandoned
Study stands by initial finding of contamination. By Scott K. Johnson.
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