Al Gore has it right: ten years is enough time. Not like we're talkin' brand new technology here:
Over 300 sunny Colorado days per year and a constant temperature of the Earth at five to seven feet below ground level are the power sources of Geos, the first fossil fuel free community in the United States. Homes that incorporate passive solar, super insulated building shells, high thermal mass and mobile window insulation provide for optimal solar energy gain and retention.
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