Saturday, April 21, 2012

Alternative Energies

Wind Energy-Turbines
Photo by Monica's Dad
Hydroelectric Energy
Geothermal Energy
Photo by Janie Hernandez55
Biofuel
Photo by Alternative Heat
Solar Power
Photo by OregonDot
Hydrogen Fuel Cell
Photo by CommScope
Algae Fuel
Photo by USDA
Green Roofs
Photo by kcxd
Living Walls
Photo by Rev Stan
Tumbleweed House(Space Conservation)
Photo by Nicolas Boullosa
Green Cars
Photo by Michael Caven
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