Fantastic piece on wind energy and the reality of what it can do. To generate 1/2 of the worlds
power needs (half because wind cannot be depended on to flow at all times) we'd need 4 million 5 megawatt windmills that would cover 1% of the land that we have. Seems like a lot but 1% of usable land, and 4 million windmills (there are generally 50 million cars built per year) doesn't seem like much for clean renewable sustainable energy does is? Check it out here.