ClimateWire: More than six months after Congress extended a vital tax break for U.S. wind energy developers, the industry is showing signs of strengthening as electric utilities and high-profile companies such as Wal-Mart, Google, Microsoft and Apple chart their growth strategies around the use of wind and other renewable energy resources.
But in measures of direct U.S. jobs and manufacturing activity, the story has been more mixed, suggesting the fallout from last years slowdown in wind energy development...