A work crew for the Pittsburgh company Energy Independent Solutions installs solar panels at a community building in Millvale, Pa.

Craig Williams is still mining coal despite tough times for the business. “We’re one of the last industries around and hope to keep it that way,” he says in a breakroom at Consol Energy’s Harvey mine, south of Pittsburgh.

The father of two — speaking in his dusty work jacket and a hard hat with headlamp — says coal is the best way he’s able to support his family. He declines to give his salary, but nationally, coal miners average about $80,000 a year.

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