Wind is the fastest growing energy source in the world. Here in the US wind farms have popped up in more than 30 states, producing enough energy to power an estimated 2.5 million homes a day. Thanks to growing concerns over natural gas prices, a desire for energy independence and incentives for renewable energy production, it’s expected this trend will continue. Interviews with Eric Silagy, FPL Energy and Mike Revak, Siemens Power Generation. Footage of Horse Hollow wind farm. www.powergeneration.siemens.com