One type of mining, called "longwall mining", uses a rotating blade to shear coal away from the underground seam.
The coal industry is touting a plan to transform millions of tons of coal into diesel fuel and other liquid fuels using an expensive, inefficient process that releases large quantities of global warming pollution. Producing liquid coal fuel generates twice as much heat-trapping carbon dioxide as producing ordinary gasoline. Even if the CO2 released by liquid coal plants is captured, the emissions would still be higher than the emissions from today's crude oil system.
In addition to nearly doubling global warming pollution, relying on synthetic liquid coal fuel would increase the harmful effects of coal mining on communities and ecosystems from Appalachia to the
Coal generates 54% of our electricity, and is the single biggest air polluter in the U.S.
http://www.ucsusa.org/clean_energy/coalvswind/c01.html
Coal disaster December 22, 2008
The people of Harriman, Tenn., woke the morning of Dec. 23, 2008, to find their community awash in a billion gallons of toxic coal sludge. The waste -- enough to fill 1,600 Olympic-sized swimming pools -- poured from a storage pond that had collapsed the night before at a coal-fired power plant operated by the Tennessee Valley Authority.
http://www.nrdc.org/energy/coal/coalashslideshow.asp
China's Boom Adds to Global Warming Problem
Pollution From Chinese Coal Casts a Global Shadow
HANJING,
Chinese Pollution Is An Increasing Threat
Pollutants From
www.cbsnews.com/stories/2007/06/06/eveningnews/main2892005.shtml
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