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    Down to earth energy

    euronews (in English)

    by euronews (in English)

    Right under our feet there is a source of clean and efficient energy. La Fabrica del Sol in Barcelona is living proof. An old Catalan building dating back to the beginning of the last century, it was recently converted to become a shining example of energy efficiency. The building uses vertical geothermal energy to heat it in winter and cool it in summer. But there's no need for volcanoes wit...