environmental health

Fracking's air pollution threat

March 27, 2012 - As North Carolina considers lifting its ban on the controversial natural-gas drilling technique known as hydraulic fracturing or "fracking," a growing body of evidence documents serious public-health threats due to air pollution from such operations, which have already been linked to water contamination.

Dumping dioxin on Dixie

January 25, 2012 - As the Environmental Protection Agency readies a long-awaited report on a class of health-damaging pollutants known as dioxins, we look at the biggest industrial dioxin sources in the U.S. -- and find that the South bears a disproportionate toxic burden.