Can US coal companies afford to clean up the country?

A worsening financial crisis for the nation’s biggest coal companies is sparking concerns that U.S. taxpayers could be stuck with hundreds of millions, if not billions, of dollars in cleanup costs across a landscape of shuttered mines stretching from Appalachia to the northern Plains.

Worries about huge liabilities associated with hundreds of polluted mine sites have mounted as Peabody Energy, the world’s largest publicly traded coal company, was forced to appeal to creditors for an extra 30 days to pay its debts. Two of the four other biggest U.S. coal companies have declared bankruptcy in the past six months.

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