Wind turbines lining the Altamont Pass near Livermore, Calif., generate electricity on Sunday, May 12, 2013. It's the not-so-green secret of the nation's wind-energy boom: Spinning turbines are ... more 
Wind turbines lining the Altamont Pass near Livermore, Calif., generate electricity on Sunday, May 12, 2013. It's the not-so-green secret of the nation's wind-energy boom: Spinning turbines are killing thousands of federally protected birds, including eagles, each year. (AP Photo/Noah Berger) less 
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Associated Press | Photo By Noah Berger
Tue, May 14, 2013 3:23 AM EDT