Engineers raised questions about coal ash pond walls decades ago
For decades, engineers raised questions about the walls of an impoundment pond containing toxic coal ash at the Tennessee Valley Authority (TVA) Kingston, Tennessee coal-burning plant, according to the KnoxvilleBiz.com. They questioned the way the walls were built and argued that they were not initially designed to stand as tall as they did. Those concerns fell on deaf ears then, but now have a voice after the walls of the pond broke loose last December and dumped 1.1 billion gallons of toxic material on to 300 acres of an east Tennessee community and into the waters of the Emory River.


President Obama’s new energy policies are pitting mining companies and environmentalists against each other as the federal government explores new ways of storing carbon emissions. Mining companies and the lawmakers who support them say that establishing these new measures could cost billions while environmentalists say the price is not important in comparison to the ecological damage of continuing common practices.
The Environmental Protection Agency (EPA) has promised to make good on a promise it made nine years ago to issue regulations for