In some parts of western Canada, small-to-moderate earthquakes have been induced by oil and gas hydraulic fracturing operations. In Alberta, this type of induced seismicity is mainly concentrated within an area located about ...
Earth Sciences
Nov 18, 2016
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823
A new study has found heightened concentrations of some common substances in drinking water near sites where hydraulic fracturing has taken place. The substances are not at dangerous levels and their sources are unclear, ...
Environment
Nov 15, 2016
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50
North Dakota's oil boom can have a salty side-effect. Wastewater from oil drilling and hydraulic fracturing – or fracking – is often laden with salts and can spill, contaminating soils. In 2014, for example, 42 such brine ...
Environment
Sep 28, 2016
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15
Every year in the U.S., a whopping 20 billion barrels of water are generated as a byproduct of domestic oil and gas recovery, according to the U.S. Department of Energy.
Environment
Sep 12, 2016
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13
Researchers analyzing the genomes of microorganisms living in shale oil and gas wells have found evidence of sustainable ecosystems taking hold there—populated in part by a never-before-seen genus of bacteria they have ...
Cell & Microbiology
Sep 5, 2016
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3230
What are communities doing to address the potential adverse effects of fracking? Not a lot, according to the results of a new study.
Environment
Jul 29, 2016
7
38
Adding CO2 instead of water to the cocktail used in fracking, could boost oil and gas extraction and help fight global warming at the same time, scientists said Tuesday.
Environment
Jun 21, 2016
8
189
Hydraulic fracturing, a widely used method for extracting oil and gas from otherwise impenetrable shale and rock formations, involves not only underground injections composed mostly of water, but also a mixture of chemical ...
Environment
Jun 1, 2016
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16
An environmental assessment from two federal agencies released Friday determined that fracking off the coast of California causes no significant impact, thus lifting a moratorium on hydraulic fracturing that was instituted ...
Environment
May 30, 2016
2
27
Increased water use in the rapidly growing oil industry in North Dakota's Bakken oil shale region, or play, is surprisingly due not only to oil well development but also to people, according to a recent study by the U.S. ...
Environment
May 20, 2016
0
11
