|
 | The rotating solar house known as the Heliotrop in Freiburg, southern Germany, pictured May 23, 2007, was designed by German architect Rolf Disch. It stands on a ring gear with a swinging element run by an electric motor, making it possible for the house to track the sun and charge a solar sail on the roof. click to open  |  | Sun reflects off the solar panels atop the Badenova Stadium in Freiburg, southern Germany, on Wednesday, May 23, 2007. With a focus on solar energy, the town of Freiburg has been a pioneer in energy saving. click to open |  | German architect Rolf Disch stands on the rooftop of the Sonnenschiff, or Solar Ship, community center building in Freiburg, southern Germany, on May 18, 2007. The Sonnenschiff, designed by Disch, was constructed in 2004 and gains its power entirely from renewable energy. click to open |  | The sun reflects from the Sonnenschiff, or Solar Ship, community center in Freiburg, southern Germany, on May 18, 2007. The Sonnenschiff, designed by architect Rolf Disch, was constructed in 2004 and gains its power entirely from regenerative kinds of energy. With a focus on solar energy, the town of Freiburg demonstrates what progress can be made through the promotion, development and use of renewables. click to open |
|
p1