Geology. How much coal remains?


world has left to burn is a fairly straightforward, if daunting, business. Millions upon millions of drill holes have revealed where the coal is. So geologists can just evaluate each seam’s quality and the cost of extraction. Add up all the coal worth mining and you’ve got lots and lots—within the United States, a century or even two of U.S. consumption… (More)
DOI: 10.1126/science.323.5920.1420


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