This is directly quoted from the website: "Earth Hour 2010 takes place on Saturday 27 March at 8.30pm (local time) and is a global call to action to every individual, every business and every community throughout the world. It is a call to stand up, to take responsibility, to get involved and lead the way towards a sustainable future. Iconic buildings and landmarks from Europe to Asia to the Americas will stand in darkness. People across the world from all walks of life will turn off their lights and join together in celebration and contemplation of the one thing we all have in common – our planet."
http://www.earthhour.org/Homepage.aspx Here's Canberra last year:
Come on everyone its ONE hour and i think its amazing that so many countries are joining together in a united effort. Candles are cool anyway :)