Copenhagen’s off-grid tree
With international climate change talks less than a week away, the host city has taken its Christmas tree off-grid with a rack of bicycles powering LED lights.
The traditional Christmas tree in Copenhagen’s City Hall Square will be powered by people, rather than a distant power plant. The square has been equipped with 15 bicycles which, when pedalled, light up the 700 LED bulbs on the tree.
During the summit, organisers say the city hall square will be take on the name “Hopenhagen Live” and become a hub for environmental and cultural activity.
Project manager Stephen Risguard said that a number of bikes are connected to a different section of the tree and if no-one used the cycles, then there would be no power to turn the lights on.…
December 2, 2009
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