Industrials

National coal mining deaths

National coal mining deaths dropped by more than half the year after the 2010 Upper Big Branch mine explosion in West Virginia, from 48 to 21, and there were 20 each in 2012 and 2013, and a record low of 15 so far in 2014.

A look at 3 of the largest coal ash spills in the US

The Obama administration on Friday set the first national standards for waste generated from coal burned for electricity, called coal ash, treating it more like household garbage rather than a hazardous material.