Is It a Breeze?

At a breezy stretch of the North Sea 14 km off the west coast of Denmark, the world's largest offshore wind farm is under construction. When the installation at Horns Rev is completed later this year, it will have 80 towering windmills, each producing about 2 megawatts of electricity. That's enough to power 133,000 households. More important, the addition of Horns Rev and a second offshore wind farm will boost Denmark's output of wind-powered energy next year to 21% of the country's total electricity production, the highest in the world. "Wind power has finally entered the mainstream," says Arthouros Zervos, president...

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