The sun shines over a Range Resources well site in Washington, Pa. (AP Photo/Keith Srakocic, File)

Range Resources to pay $4 million drilling waste fine

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The fine was imposed for leaks at open pits Range operates to store the so-called flowback waste from natural gas wells.
Categories: Environment, Shale
Mark Ruffalo attends the premiere of "Infinitely Polar Bear" in Toronto. (Photo by Evan Agostini/Invision/AP)

Mark Ruffalo touts Houston electricity plan

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Actor-turned-activist Mark Ruffalo cheers Houston’s decision to buy renewable energy — part of a trend of cities and corporations seeking out alternative power.
(Image: Fotolia)

Researchers trace water contamination to faulty gas wells

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The contamination “stems from well-integrity problems such as poor casing and cementing,” Thomas H. Darrah, an earth science expert at Ohio State who led the study, said in a prepared statement.

UTSA, Southwest Research find a new way to clean frack water

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The University of Texas at San Antonio and the Southwest Research Institute say they have found an inexpensive way to treat the water that flows back to the surface after hydraulic fracturing. A team of researchers used a plant matter called biochar to remove impurities from the flowback water.
(Lucas Schifres/Bloomberg)

Statoil, partners expand effort to put flared natural gas to use

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Statoil, GE and Ferus Natural Gas are expanding use of technology designed to fuel oil field equipment with natural gas that otherwise would be flared off into the atmosphere.
Photo: Timothy A. Clary/AFP/Getty Images

Northeast carbon auctions reach $1.8 billion

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The nine Northeastern and Mid-Atlantic states participating in the Regional Greenhouse Gas Initiative use the revenue to fund energy efficiency, renewable energy, consumer utility bill assistance, and other consumer programs
(Source/World Resources Institute)

Water resources a problem for energy extraction worldwide, report finds

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According to the analysis by the World Resources Institute, 38 percent of the earth’s shale gas and tight oil resources are in areas that are either arid or under high levels of water stress already _ a scenario that does not mesh with the high water demands of today’s extraction techniques.
Minsu Cha, research professor, Department of Civil Engineering and Petroleum Engineering at the Colorado School of Mines, works to set up an experiment to test the use of liquid nitrogen for hydraulic fracturing on Thursday, Aug. 21, 2014, in Golden, Colo. ( Brett Coomer / Houston Chronicle )

Researchers at work on using liquid nitrogen instead of water in fracturing

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Petroleum engineers in Colorado are working on a process called cryogenic fracturing, which replaces water with searing cold liquid nitrogen or liquid carbon dioxide.
A natural gas drilling site in the Barnett Shale. (AP file photo/Donna McWilliam)

Study finds more arsenic in north Texas water wells near drilling

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In the study, University of Texas at Arlington biochemists measured 100 wells across the Barnett Shale, believed to hold one of the largest natural gas reserves in the U.S., and compared the results to a similar study undertaken before hydraulic fracturing technology and higher natural gas prices opened the area to drilling.

Commentary: How natural gas is changing China’s energy landscape

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China is in a pickle. It is a pickle it is well aware of – and trying to fix – but a pickle nonetheless, as it tries to wean itself off coal and ramp up its natural gas consumption. So here are some of the trials and tribulations faced by the world’s largest energy consumer […]