Earth Hour 2008 is a global movement. At 8pm on the 29 March, Copenhagen, Toronto, Chicago, Melbourne, Brisbane, Tel Aviv and Manila will unite and switch off all the lights for Earth Hour.
I think this global act of saving our earth's resources is really cool. Although it's only for a day i think. Still, i think it's so cool. Maybe Singapore should do that too. But i do doubt that will happen. It's not impossible though. Check it out at
http://www.earthhour.org/