For years, fracking has been a hot topic of debate in the United States. The process works by drilling deep below the earth’s surface and extracting gas by injecting a high-pressure water mixture that ...

PITTSBURGH — The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas production, in a shift with major implications ...

Hydraulic fracturing, or fracking, may cause an increase of radon gas in nearby homes. Studies on fracking and radon have produced conflicting results, leading to calls for more research. Austin ...

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 ...