Jun 18 Energy & Environment Coal Ash Uncovered: New Data Reveal Widespread Contamination At Ohio Valley Sites For generations, coal power has fueled American prosperity. But for each shovelful thrown into the furnaces, a pile of ash was left in its place. Today, as coal’s dominance in the power sector wanes, those piles of ash have grown into mountains as coal ash became one of the largest waste streams in the country, […] By Brittany Patterson and Ryan VanVelzer Jun 18 Energy & Environment Coal Ash Uncovered: New Data Reveal Widespread Contamination At Ohio Valley Sites Brittany Patterson and Ryan VanVelzer