(AP)—A landmark federal study on hydraulic fracturing, or fracking, shows no evidence that chemicals from the natural gas drilling process moved up to contaminate drinking water at a western Pennsylvania drilling site, ...
Environment
Jul 19, 2013
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(Phys.org) —Marcellus Shale and other natural gas plays are considered valuable for what can be extracted from them, but what if they could also be valuable and environmentally helpful after they are been depleted?
Environment
Jul 12, 2013
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Homeowners living within one kilometer of shale gas wells appear to be at higher risk of having their drinking water contaminated by stray gases, according to a new Duke University-led study.
Environment
Jun 24, 2013
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The value of a fuel's long-term usefulness and viability is judged through its energy return on investment; the comparison between the eventual fuel and the energy invested to create it. The energy return on investment (EROI) ...
Environment
Jun 17, 2013
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(Phys.org) —What to do with Marcellus shale wastewater is one of the biggest concerns in Pennsylvania, and few published studies have evaluated such wastewater effects on regional waters, according to a review co-authored ...
Environment
May 21, 2013
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Pennsylvania residents living near unconventional natural gas developments using hydraulic fracturing, known by the slang term "fracking," attribute several dozen health concerns and stressors to the Marcellus Shale developments ...
Environment
Apr 29, 2013
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From the shale underlying Western Pennsylvania to the deep-sea oil off the coast of Brazil, emerging energy sources have policymakers and entrepreneurs from both hemispheres talking business.
Environment
Apr 12, 2013
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(Phys.org)—Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that ...
Environment
Feb 1, 2013
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Hydraulically fractured natural gas wells are producing less wastewater per unit of gas recovered than conventional wells would. But the scale of fracking operations in the Marcellus shale region is so vast that the wastewater ...
Environment
Jan 22, 2013
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Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium. The chemistry ...
Earth Sciences
Dec 18, 2012
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