Can cleaner sources of energy create enough jobs to rescue the American economy from its doldrums? “The list of political proponents of a clean, green energy economy is long, ranging from President Obama down to John Fetterman, the mayor of Braddock, Pennsylvania. And the anecdotal evidence thus far seems strong: 2,600 manufacturing jobs in Colorado as a result of Danish wind turbine-maker Vestas—plus the farmers in that state who reap profits from the wind blowing over their fields while continuing to grow crops like wheat. Or the green jobs growth in China, Germany or California.”