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Hydraulic Fracturing

A drilling rig stands over a natural gas well in Colorado
Research suggests that emissions of methane, a greenhouse gas 20 times more potent than CO2, far exceed current estimates for gas drilling and production.
Weeks after Barack Obama promoted natural gas as a key part of U.S. energy policy in his State of...
Feb 9, 2012 | Read More
Gas drilling on the Pinedale Anticline in Wyoming
EPA's draft report that fracking likely contaminated a Wyoming aquifer could have major implications on America's booming natural gas industry.
In a first, federal environment officials Thursday scientifically linked underground water...
Dec 9, 2011 | Read More
Robert Lestz of Calgary-based GasFrac believes he's invented a natural gas drilling game-changer: a...
Nov 17, 2011 | Read More
A GasFrac well pad in Alberta, Canada
In an interview, Robert Lestz discusses everything from the risks of using propane to why Canadian companies are more willing to try something new.
When Robert Lestz was a research engineer at Chevron in the 1990s, he began searching for a way to...
Nov 14, 2011 | Read More
Drill rig in a natural gas field in Wyoming
Wells drilled deep into an aquifer in Pavillion, Wyo., contain high levels of cancer-causing compounds and at least one chemical used in fracking.
As the country awaits results from a nationwide safety study on the natural gas drilling process...
Nov 13, 2011 | Read More
Tanks labeled as "Brine Water" on a property in Dimock, Pa.
Little-noticed drilling technique uses propane gel, not water, to release natural gas. Higher cost, lack of data and industry habit stand in the way.
ALBANY, N.Y.—In the debate over hydraulic fracturing for natural gas, two facts are beyond dispute...
Nov 6, 2011 | Read More
Aerial view of a frac sand mining operation in Wisconsin
According to environmentalists and residents of affected areas, sand mining processes used in fracking pose a threat to air and water quality.
HOUSTON, Texas—Fracking, the latest craze in the quest to produce oil and gas, has been blamed for...
Sep 21, 2011 | Read More
Documents and interviews reveal that one Pa. water utility has already leased its watershed to gas drillers — and many others are being courted
Cynthia Walter, an ecologist at St. Vincent College outside Pittsburgh, gets a lot of emails from...
Jul 19, 2011 | Read More
BrightSource Energy’s Solar Energy Development Center in Israel’s Negev Desert.
A think tank says water-reliant energy technologies could be hampered by increasing drought in parts of the world — and production is faltering already
The development of new renewable energy technologies and other expanding sources of energy such as...
Jun 27, 2011 | Read More
Marcellus Shale
A study on the impact of fracking in Pennsylvania and New York shows water within1 kilometer of gas wells has methane levels over 17 times normal
For the first time, a scientific study has linked natural gas drilling and hydraulic fracturing...
May 10, 2011 | Read More