Find out how Earth Hour began and why it continues to inspire.
Learn more about climate change and it's causes.
Find out more about the team behind Earth Hour.
Become part of the Earth Hour community.
Find out how to run your own Earth Hour with our handy guides.
Check out our free tools to help you badge your action Earth Hour.
Find out how you can spread the Earth Hour message.
Find out how your organisation can help.
Join the Earth Hour team and organise your own lights out event.
Find out how you can get involved.
Find out what our supporters are doing.
Play the game and teach your kids about recyling.
Play the game to get the lights turned off for Earth Hour.
Make a Virtual Lantern and send it to your friends.
Use our Virtual Lightswitch to spread the word on Facebook.
Check out what's happening for Earth Hour in your country/territory.
Find out how Earth Hour is changing the world.
Our initiative to make cities greener
Press releases from Earth Hour Global.
News from country teams.
How Earth Hour grew from one city to 135 countries.
Earth Hour Executive Director Andy Ridley.
All your Earth Hour questions answered.
Get in touch with the Earth Hour Team.
All the videos from Earth Hour 2012.
All the images from Earth Hour 2012