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Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century) is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
Articles

The green revolution may be further off than we thought.

The fossil fuel-rich states say the Obama administration`s new climate change proposal would impose `real harms` on state economies.
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Detailed news coverage of the Coal industry.
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