The Windstalk energy concept was created by a New York design firm Atelier DNA for the planned city Masdar, a 2.3-square-mile, automobile-free area being built outside of Abu Dhabi. The proposal for the ambitious project includes 1203 stalks that are 180 feet high (55 meters) and are anchored on the ground with concrete bases that range between 10 to 20 meters in diameter. They are made from carbon fiber reinforced resin poles, about a foot (30 cm) in diameter at the base and 2 inches (5 cm) at the top. There are LED lights at the top of the stalks, and their intensity varies with the force of the wind. If there's no wind, there's no light.
From Treehugger.com.
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