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When the BWTC is completed, likely in early 2008, the building’s three 29-meter diameter wind turbines will produce enough power to meet
11 to 15 percent of the needs of the two 50-story office towers—or an estimated 1,100 to 1,300 megawatt-hours of clean electricity each year. The massive 225 kilowatt turbines were lifted into place in March 2007 and are supported by three bridges that span the distance between the two towers.
The structure’s sail-shaped towers were designed to maximize the potential of the wind turbines by funneling and accelerating breezes from the nearby Persian Gulf. They were inspired by Arabian wind towers, or Al Barajeel, which rest atop the main rooms of traditional mosques and houses to provide natural ventilation.
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http://www.worldwatch.org/node/5489I added the bold for emphasis of my point of the horrible headline. I'm happy to see anyone use renewable energy instead of fossil fuels. But there is a bit of research they are missing that could save a lot more energy and avoid a further soiling of the only home we all have...stop with the unchecked demand on energy created by building such monstrosities in the first place!
Renewable energy - Yes it's good but it's the expectation of continued unchecked, unlimited growth is what will kill us all, providing 10-15% of the demand of this building is worse than nothing because it gives people a false sense of accomplishment, it's not a step in the direction we need to go to survive.