See who signed up in 2010
The big switch-off in 2010 and was a huge success!
- see the list of celebrity supporters for WWF's Earth Hour
- around 1,700 schools and 860 community groups signed up to take part in Earth Hour 2010
- Coca-Cola switced off their legendary neon sign lights in London's Piccadilly Circus, for only the fourth time since the second world war.
- Lots more UK landmarks joined in the big switch off...
- See how many companies got involved
Millions of people around the world switched off their lights for WWF’s Earth Hour on 27 March.
Sign up now to join in the next Earth Hour lights-out, 26 March 2011!