If you're interested in making a difference you can see...

On March 29 at 8 p.m., switch off your lights for Earth Hour. Millions around the world will be doing the same in a global effort to demonstrate how a simple gesture can have far-reaching benefits for our environment. Join the Earth Hour movement and see the difference 60 minutes can make.

Earth Hour is a global event created to symbolize that each one of us, working together, can make a positive impact on climate change - no matter who we are or where we live. From Sydney to San Francisco, the World Wildlife Fund is spearheading this initiative in 25 cities across 6 continents.