One Hour for the Planet on Saturday, March 26, 2011
On Saturday 26 March 2011 from 8.30 pm to 9.30 pm, more than 5'000 cities around the world will ask their population to turn off the lights for one hour to encourage awareness of global warming. Yverdon-les-Bains will join this action, initiated in 2007 by the city of Sydney, by switching off the lights in public buildings .