What were the environmental impacts of the huge coal ash spill in Tennessee this past December?
— Dave S, Lynnfield, MA Environmentalists call for an end to the age of coal—one of the dirtiest and most common of all the fossil fuels we now use—took on new urgency this past December when some 525 million gallons of wet coal ash, enough toxic slurry to flood more than 3,000 acres of nearby land, spilled into the nearby Tennessee River and surrounding areas when a retaining wall at a power plant in the town of Harriman gave way. The sludge destroyed 12 homes, though no one was directly injured. However, an unprecedented fish kill occurred in the Tennessee River and area tributaries in the aftermath of the spill. According to John Moulton, a spokesman for the Tennessee Valley Authority which owns the plant, a test of river water near the spill site found elevated levels of lead and thallium, both of which have been linked to birth defects and nervous and reproductive system disorders. He reassured locals that, although these substances exceeded safety limits for drinking water, they
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