Silicon Valley’s investment wizards are fleeing the so-called green economy, and not a moment too soon for American prosperity. As painful as the era of enviro-investing has been for taxpayers and shareholders, there’s an emerging silver lining. A recent survey from our corporate cousins at Dow Jones VentureSource and the National Venture Capital Association finds that “clean technology” is inspiring pessimism among venture capitalists. Fully 61% expect less clean-tech investment in 2013 compared to 2012. On the flip side, a majority expect more investment next year in business information technology, a traditional U.S. economic strength. The survey reflects a natural and healthy shift in Silicon Valley. Talent and resources are moving back to the technologies that gave the valley its name—and away from trendy eco-projects that failed.