There are several site in the US where parks, especially picnic areas would be appropriate near or within wind plants. Planners in the United States who worry about such things as mixing people and machines should apply their creativity to finding solutions to their concerns instead of devising ever more prohibitions. Take Blyth Harbor for example. We've watched evening strollers gaze at the turbines on the harbor's breakwater. There's no fear of the pedestrians getting too close unless they wanted to swim across the channel.
Risk is a function of exposure.
Even if they dawdle and stop for a leisurely picnic, as we do on our hike in the Tehachapi Pass, their risk is minimal. Wind Energy Comes of Age More information on wind energy. This site is maintained by Klaus Kaiser and the staff at TU-Berlin.