A shale gas well bore is lined by steel pipe, shown here in 100-foot sections in Washington County, Pa., at the drill site of Range Resources. Between its vertical and horizontal sections, a well bore will extend 9,000 feet or longer and require more than a million pounds of steel. Tom Gjelten/NPR hide caption

toggle caption Tom Gjelten/NPR

Will the U.S. and other governments dare tell their citizens that to avoid another global crisis, they will have to take bitter medicine? Karen Bleier/AFP/Getty Images hide caption

toggle caption Karen Bleier/AFP/Getty Images

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