Journalist Beth Gardiner travels to places like China, India and Poland to examine the impacts of toxic air, and the possible solutions for fixing a global health crisis.
A new report finds coal ash pollution is leaking into groundwater at nine power plants around Pennsylvania and over 200 nationwide. One western Pa. site has arsenic 372 times the 'safe' level.
The product, AquaSalina, which uses gas drilling brine, was found to contain radioactivity. Ohio lawmakers considering a bill that would loosen regulations.