Water purification breakthrough uses sunlight and 'hydrogels'

According to the United Nations, 30,000 people die each week from the consumption and use of unsanitary water. Although the vast majority of these fatalities occur in developing nations, the U.S. is no stranger to unanticipated ...

Puerto Rico drinking water is worst in US: report

The US territory of Puerto Rico has the worst drinking water in the nation, and the majority of the island's water supply is in violation of federal standards, a report said Wednesday.

Coal ash ponds found to leak toxic materials

A Duke University study of coal ash ponds near 21 power plants in five Southeastern U.S. states has found evidence that nearby surface waters and groundwater are consistently and lastingly contaminated by the unlined ponds.