Video: Wind Power Is on the Rise, Despite the Controversy

They're controversial in Cape Cod, a welcoming sight in Seattle, and growing in number across the Unites States. New wind farms are being built almost daily.Opponents argue that the pure size of wind turbines (about 250 feet tall) results in an ugly skyline and a dangerous flight path for birds. Supportersnote the environmental benefits of wind power - clean, emission-free and renewable. Manufacturing companies, like Siemens, are admittedly enjoying the boom. So are the various ports that now receive wind shipments routinely. Farmers, whose land wind companies rent, say it is a bumper crop amidst agricultural uncertainties.