Britain Has Huge Clean Energy Ambitions, but Are They Realistic?

There may be no better place to see evidence of Britain’s shift to cleaner energy than a sleek industrial complex on the Humber estuary outside Hull, a faded port city.On a July morning, workers in a brightly lit building were preparing molds for fiberglass wind turbine blades longer than football fields. Outside on the docks, squat six-wheeled vehicles gingerly maneuvered a blade weighing 50 metric tons for…