Building Jobs With Renewable Energy

Just a few years ago, Bob Erbelding was building homes in Colorado. But he never thought he'd be building wind turbines. Erbelding, 50, who works for the Denmark-based Vestas American Wind Technology, the world's largest manufacturer of wind turbines, says his business is part of an energy revolution that's changing the environment and the face of American industry. Watch Focus Earth Saturday on Discovery's Planet Green Network "I used to be a contractor, but the housing business really... Full Story