How much water does US fracking really use?

Energy companies used nearly 250 billion gallons of water to extract unconventional shale gas and oil from hydraulically fractured wells in the United States between 2005 and 2014, a new Duke University study finds.

How fluids flow through shale

Most of the world's oil and natural gas reserves may be locked up inside the tiny pores comprising shale rock. But current drilling and fracturing methods can't extract this fuel very well, recovering only an estimated 5 ...

Shale gas, oil reshape world energy landscape

After unleashing an energy revolution in the United States, shale gas and oil are now becoming energy game-changers worldwide, a break with the past whose ramifications are still unclear.

Fracking shifts global energy balance

North America's shale oil and gas boom has shifted the balance in global energy markets, giving the US and Canada new leverage as exporters, despite the Middle East retaining a pivotal role.

France upholds fracking ban

France's Constitutional Council on Friday upheld a law banning fracking, the controversial process used to extract shale oil and gas from the ground.

New contaminants found in oil and gas wastewater

Duke University scientists have discovered high levels of two potentially hazardous contaminants, ammonium and iodide, in wastewater being discharged or spilled into streams and rivers from oil and gas operations in Pennsylvania ...

Amid US gas boom, split over environment risks

The United States is seeing a natural gas boom thanks to discoveries of abundant shale gas, and at the same time a groundswell of opposition from critics who say the environmental risks from drilling are too great.

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