It was an interesting juxtaposition—Krugman's deep dive into the macroeconomics of an aggressive cap-and-trade or carbon-tax policy to limit greenhouse-gas emissions alongside a report from the frontlines where the green economy is actually under construction.
What's striking is that the wind-farm building boom continued through the depths of the Great Recession in 2009, with a record 10,010 megawatts of new capacity added last year in the United States. In fact, wind energy accounted for 39 percent all new electricity generation that came online in 2009.