Earth hour start in Australia 2007, its organized by by WWF. A lot of big countries turn of the lights for one hour. The most important landmarks that turned off Sydney Harbour Bridge, Golden Gate Bridge San Francisco, Rome's Colosseum, CN Tower Torronto.
I would like by the way to thank the TAFE and Students Assossciation for the informations about Earth Hour.
At 8;30pm last Saturday I turned off all lights and Iwill do it every year because how much benefits it provides to the earth let us work all together to help our earth