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Coal - The Big Picture - 48 pictures at Boston.com [View all]
Coal occupies a central position in modern human endeavors. Last year over 7000 megatons were mined worldwide. Powerful, yet dirty and dangerous, use of coal is expanding every year, with 2010 witnessing a production increase of 6.8%. Around 70 countries have recoverable reserves, which some estimates claim will last for over a hundred years at current production levels.
http://www.boston.com/bigpicture/2012/01/coal.html
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