Earth Hour this year is Saturday 27 March, 8.30pm

On Saturday 27 March 2010 at 8.30pm, WWF want a billion people around the world to switch off their lights for one hour – Earth Hour. Show you care about climate change.

Earth Hour 2009 took the world by storm as it travelled east to west and hundreds of millions of people switched off their lights. Earth Hour was embraced by people in over 3,000 cities and towns, nearly 1,000 landmarks and more than 83 countries around the world.




There is still time to avoid the worst impacts of climate change. But we need to act now.