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"Some time ago, I had a call from my son Brian, who had come across a huge new wind farm as he was driving on one of the interstate highways in west Texas. He described the rows of wind turbines receding toward the horizon. Interspersed among them were"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/cutting-carbon-emissions.html>