Do you all know this event - Earth Hour 2008 campaign? Earth Hour 2008 campaign is a very simple concept that I believe everyone can do it. It uses the simple action of turning off the lights for one hour. 

This coming March 29, 2008, 8pm, millions of people in the world, including Copenhagen, Toronto, Chicago, Melbourne, Brisbane and more big cities will unite and switch off for Earth Hour 2008 campaign.

Pass this powerful messages to others for concerning our global warming. �