Alternative energy

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Alternative energy sources, solar panels and a small wind turbine (Bergey 1500, kW). Center for Regenerative Studies, California State Polytechnic University, Pomona, California, USA. Photo Dec 2008

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Size: 3343px × 5100px
Photo credit: © GIPhotoStock Z / Alamy / Afripics
License: Licensed
Model Released: No

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