PITTSBURGH - The oil and gas industry is trying to ease environmental concerns by developing nontoxic fluids for the drilling process known as fracking, but it's not clear whether the new product will ...

An area environmental organization sees Pennsylvania’s new requirement that natural gas drillers reveal the chemicals in fracking fluids earlier in the drilling process as “long overdue.” A trade ...

Normally on “Mining and Refining,” we concentrate on the actual material that’s mined and refined. We’ve covered everything from copper to tungsten, with side trips to more unusual materials like ...

Over the course of millions of years, heat and pressure can transform the organic remains of animals and plants into crude oil. That's why they're called a fossil fuels — the long-dead creatures that ...

Proponents of disclosing the chemical formulas of fracking fluids are getting some support from an unexpected source. Executives of drilling companies Chesapeake Energy and Range Resources Corporation ...

Getting your Trinity Audio player ready... From rural Pennsylvania to Los Angeles, more than 17 million Americans live within a mile of at least one oil or gas well. Since 2014, most new oil and gas ...

Fracking is an extreme method of oil and gas extraction that involves blasting huge amounts of water — mixed with sand and toxic chemicals — under high pressure deep into the earth. Fracking breaks up ...

A deep injection well used for disposal of fracking wastewater in Kern County, Calif. Citizens of the Planet/Education Images/Universal Images Group via Getty Images From rural Pennsylvania to Los ...

Any industrial activity near water reserves could, in principle, cause contamination. Isotope hydrology offers a unique combination of methods to monitor water quality and trace the source of ...