BBC News
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January 1, 2009
8:00 PM
December 23, 2008
10:44 AM
A village in Germany is pioneering a method of saving energy and
reducing carbon emissions by switching off the street lights at night. But local residents can use their mobile phones to turn the
street lights back on again for 15-minute periods whenever they want.
April 6, 2007
12:20 PM
April 4, 2006
11:57 AM
March 13, 2006
11:45 AM