More to explore:
http://formworksbuilding.com/photos/ Alternative-architecture.-Due-to-its-solar-and-geothermal-properties-Formworks-stuctures-can-easily-be-converted-to-off-grid-or-stand-alone-power-systems.-2-712x363 Earth Contact Sheltered Geothermal Solar Power
Off-the-Grid, Alternative architecture by Formworks Building Inc. Geothermal and Solar.
An unconventional underground home, somewhere in the mountains in CO.
Photo Gallery of Green Roof & Earth Sheltered Homes & building systems Manufactured by Formworks Building, inc.
I just want to explore... how far back into the hill does it go? Is there a lower level? What kinds of creatures live here?
Low-tech green tech and amazing architecture - Politics in the Zeros
2500 sq ft. green roof, low maintenance home with traditional facade
Sometimes you just need your own underground lair.
Underground Homes - Earth Sheltered Houses for Eco Hobbits
Looks like an underground home!
underground homes - Bing Images
Formworks earth berm house....love this idea of a sunroom added
Would be awesome if it had a sky roof that u could press a button and a grass top would cover it
27 Absolutely Stunning Underground Homes. I want to live in a cave.