News FocusGeology

How Much Coal Remains?

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Science  13 Mar 2009:
Vol. 323, Issue 5920, pp. 1420-1421
DOI: 10.1126/science.323.5920.1420

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The planet's vast store of coal could fuel the world economy for centuries--and fiercely stoke global warming--but a few analysts are raising the prospect of an imminent shortfall.