> > > I wonder... if you extract energy from the wind, then the wind contains > less energy, doesn't blow as hard/far. What are the unintended > consequences of extracting energy from the wind? Change in weather > patterns causing famine? Is it really a "WONDERFUL" choice or is it > just another choice with attendent negative consequences? Extracting as much energy as a few trees might.. Out of an airstream that might be a mile high. The most a given mill can extract is something like 30% of the available energy within it's swept area. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist