The massive volume of wastewater from hydraulic fracturing in the Permian basin is causing ground pressure issues, regulatory ...

Former government officials say the state isn’t doing enough to regulate fracking waste, even as new research shows it’s far ...

The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

Water is a key feature of energy production, both as an inconvenient byproduct and an essential input for fracking. Select ...

Pennsylvania is still cleaning up decades’ worth of coal mining pollution. Now it must also contend with millions of tons of ...

The process of fracking a well brings up gas or oil from deep underground. But it also brings dirt and rocks that could be contaminated with radioactivity and other chemicals. An Allegheny Front ...

It is essential to maintain the integrity of liner–cement–formation in the well completion and production stages. However, large liner deformations have been extensively experienced during hydraulic ...

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