Mini-windmills on office building roofs – a number of years ago I predicted roofing systems integrated with solar collectors, I’ve written about office building window glass that collects solar energy, and I also predicted mini-wind turbines on office buildings. “Intel is turning the roof of its Santa Clara headquarters into a mini-wind farm with what it says is one of the largest micro-turbine arrays in the country.” (San Jose Mercury News, May 21, 2015) Just wait, these types of devices will keep getting more and more efficient and we will soon see the day when commercial buildings generate more electricity than they use. Now if we can solve our California water issues…


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