Coal ash is the waste leftover from burning coal — which can contain toxic heavy metals like mercury, cadmium and arsenic.

PHNX Materials discovered that fly ash from coal plants could replace cement in concrete to help decarbonize the building industry.

Coal ash ponds from retired power plants still pollute U.S. air, prompting new tech and EPA rules to reduce haze and restore ...

Some is reused, but a lot is stored near coal plants in coal ash ponds that may not have a lining to keep it from leaching into groundwater. It can be disastrous when companies fail to keep that ...

A truck carrying 50 tonnes of ash suffered a breakdown while climbing the Gaimukh Ghat early on Thursday, halting traffic between Thane and the Fountain Hotel on Ghodbunder Road. The vehicle got stuck ...

Some is reused, but a lot is stored near coal plants in coal ash ponds that may not have a lining to keep it from leaching into groundwater. It can be disastrous when companies fail to keep that ...

Particularly concerning was the presence of ultrafine fly ash particles floating on Cooling Pond No. 2's surface, indicating failures in the ash handling system. The inspection revealed multiple ...

During a press conference, Alejandro Picado, President of the National Emergency Commission, announced the Poas Volcano National Park and Bajos del Toro were on orange alert due to the impact of gases ...