The EPA now recognizes the risks of gamma radiation from radium in coal ash, but many states aren’t even sure where the toxic waste has been used. In Alabama, environmental regulators say they ...

Coal ash composite between layers of fiberglass and fiberglass rods, used as to enhance rigidity, at the Center for Composite Materials Research lab in the Fort Interdisciplinary Research Center ...

About 5.5 million gallons of coal ash wastewater recently leaked from a northern Minnesota power plant. As of this year, the federal government is more strictly regulating the material.

Many power companies face significant risks from coal ash ponds. New solutions based on water flow physics are showing promise in preventing the spread of hazardous particulate matter.

EPA extends coal ash cleanup deadlines and signals future changes to 2015 and 2024 coal ash rules, raising concerns about ...