You want scary? Check this out. There’s no way to stop these turbines if the wind is blowing and if they’re in trouble. If they break apart, the blades are propelled through the air at enormous speed. They’re supposed to be placed miles from civilization for that reason.
http://www.youtube.com/watch?v=c3FZtmlHwcA
That is scary. It’s not too hard to imagine the shrapnel destroying turbines to either side, starting a chain reaction that could destroy an entire wind-farm in seconds.