Necessity is the mother of invention - most amazing wind farms. Better than messing up a landscape elsewhere. Setting these up in already degraded soils is better than compromising valuable, unspoiled land. - #AlternativePower
Build Your Own Vertical-Axis Wind Turbine On The Cheap - Didn't realize vertical wind turbines existed. The scale of this one and the fact that it supposedly doesn't require gale force winds to produce power makes it definitely worth looking into.