Reading this article about the mine disaster in Utah (as well as the one in China), I recalled an excellent book I read last year, "Coal: A Human History."Author Barbara Freese traces the evolution of coal's use, and her book stands out among similar "commodities" books, which include examinations of salt and even the humble cod. "Coal" offers stark details of when England was coated in soot, but it also has an optimistic view of how we can shake our dependence on coal, an essentially filthy way to get energy.
You can buy the book dirt cheap at Half.com, or check it out from your local library.
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