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HD.6C.026
20120524-OSEC-DL-0011
Zeffy Ruvalcaba judges lemon-powered iPod charger
Ascension Island Green Way
Ascension Island Green Way
Wind turbines at sunset
163 012 002
Renewable Energy at Benton Lake National Wildlife Refuge
163 006 003
500 002 035
Remote base uses natural energy to power facilities
163 003 003
163 004 003
404 054 001
Ascension Island Green Way
New wind turbines help Air Force go green
America’s Great Outdoors event at the Effie Yeaw Nature Center
Ascension Island Green Way
Shirley Wind Farm - Green Bay, Wisconsin.
April 19, 2013 - P3 Design Expo, Dartmouth College
Solar power plant
HD.6D.359
Shirley Wind Farm - Green Bay, Wisconsin.
163 001 003
Wind Turbines during a Rainstorm
394 040 002
408 043 001
349 001 016
Wind power at Arnold AFB
Shining tower of power
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