Google announced their goal of meeting its electrical needs via renewable resources some time ago and a recent purchase in Texas boosted that goal. Google confirms that they recently purchased 240 renewable energy certificates in a deal with the Happy Hereford wind farm in Texas.
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The Faint Rustle of Power
Harnessing the piezoelectric effect, researchers at Cornell propose a wind-power generator that has more in common with rustling leaves than airplane rotors. Videos after the jump.
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