GreenGrid Roof
Phil Chase, 21st Civil Engineer Squadron, Asset Management Flight, pollution prevention, solid waste and hazardous materials program manager, monitors Sedum plants on the green rooftop of the 21st Space Wing headquarters building at Peterson Air Force Base. The green roof spans 19,000 square feet, and heat is redirected through the plants instead of the rooftop, cooling the inside of the building. The building's roof is about 67 degrees cooler than the 21st Mission Support Group building on base. (Air Force photo by Thea Skinner)
PHOTO BY:
Thea Skinner
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090715-F-0180S-0005.JPG
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1.72 MB
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IMAGE IS PUBLIC DOMAIN
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