“We can frack safely if we frack sensibly. That may not make for a great bumper sticker. It does make for good environmental and economic policy,” wrote the mayor (and fracking pioneer George P. Mitchell) in the Washington Post. They went on to argue that the production of shale gas will lessen Americans’ energy bills, bring outsourced jobs back, and reduce U.S. dependence on dirty coal. Not answered in the op-ed: whether fracking should be allowed in the New York City watershed, which would require a $9 billion filtration plant.