Anne Vogel, Region 5 administrator of the U.S. Environmental Protection Agency, plans to visit Marietta College in Washington County next Monday. Clean-water advocates say they plan to bring up issues ...

Editor’s note: This is the fourth in a series of stories reflecting on 20 years of gas drilling in Southwestern Pennsylvania. Twenty years after the first gas well was fracked on the Renz farm in ...

Well fracturing (hydraulic or acid fracturing) increases effective permeability by creating high-conductivity fractures that connect the wellbore to a larger rock volume. It sits in the completion and ...

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 ...

Over the two decades since fracking started near their lands, farmers in the Mexican state of Veracruz have watched their ...