In our country, the Earth Hour does not fulfill it's goal of changing our habits so as to save electricity, but it is successfull in saving some amount of electricity(however small percentage it may be) which would have been spent in lighting up our rooms for an hour.
Note especially for KGPians:
If you really care about the planet, try to save electricity at all times and not just during the Earth Hour. For the duration of Earth hour 2010(Saturday, March 27, at 8:30pm), try to get out of your rooms(if you aren't busy). Take care to switch off your lights, fans, computers and any other appliance that you may have in your room. Go for a walk and/or have a chat with your friends(in some open space). Also keep in mind that saving electricity is not the only thing that helps in saving our planet. Try to keep our campus clean, THROW YOUR GARBAGE IN THE TRASH CANS.