A government cover-up of an investigation into a disaster 25 times the size of the Exxon Valdez spill.
It happened in October of 2000, when 300 million gallons of coal slurry – thick pudding-like waste from mining operations – flooded land, polluted rivers and destroyed property in Eastern Kentucky and West Virginia. The slurry contained hazardous chemicals, including arsenic and mercury.
The the Bush administration got involved. (via MemoryBlog)