World

Eco Homes of the Future?

Published 8:35 PM ET, Thu September 27, 2012
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Fold, a house designed by students from the Technical University of Denmark, has walls and a ceiling with adjustable angles to maximize its solar panels' exposure to the sun. Courtesy of Solar Decathlon Europe
This two-story house won the architecture contest. Courtesy of Solar Decathlon Europe
It is not meant to be an entire house but rather the top floors of low-rise buildings that can act as a communal area. Courtesy of Solar Decathlon Europe
Ecolar saves energy by using hemp in its walls to create better insulation and clay plates on the ceiling to absorb heat. Courtesy of Solar Decathlon Europe
Floor-to-ceiling storage hides clutter, including the refrigerator. Courtesy of Solar Decathlon Europe
This house has panels on its facade made out of polished and melted CDs. Courtesy of Solar Decathlon Europe
The team used salvaged beams and wood from the university's stadium in the house. Courtesy of Solar Decathlon Europe
Team Andalucia's patio is an indoor-outdoor center of its prefabricated home that links other rooms to be added on. Courtesy of Solar Decathlon Europe
Light filters into the patio through the patterns on the walls and ceiling. Courtesy of Solar Decathlon Europe