Coal ash, a byproduct of coal power generation, has become a pressing problem across the United States. While recycling of coal ash into building materials has increased over the past several years, much of it is still disposed landfills and ash ponds,—with the risk of harmful results, especially local residents who could be exposed to contaminated water.
Dangers from lax coal ash disposal reared its ugly head in 2008, when a Tennessee Valley Authority storage site leaked, then gushed, and...
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