Wisconsin's largest coal-fired power plant, We Energies' Oak Creek generating facility burn up to 12,000 tons of coal a day. As the coal sits in piles waiting to be burned, black coal dust blows into nearby neighborhoods, leaving residents upset and concerned.
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure.
Mountaintop removal coal mining, often described as "strip mining on steroids," is an extremely destructive form of mining that is devastating Appalachia. In the past few decades, over 2,000 miles of streams and headwaters that provide drinking water for millions of Americans have been permanently buried and destroyed.