3. Take part
As we get closer to Earth Hour, there'll be lots of things you can do...
In the meantime, why not...
Join in the county sign-up challenge...
You know the old saying, ‘Think global, act local’ - well, our Earth Hour UK sign-up challenge is the perfect way to put that into practice.
See who's at the top of the charts...
Share your videos and images
Loads of you took some fantastic pictures and films of WWF'sEarth Hour last year. We'd still love to see them! You can now add your pictures of your Earth Hour to our Flickr group!
Find out how...
You can also see some amazing interactive photos of some of the UK iconic landmarks that switched off in 2010. Flick the switch to see the lights dim!
Visit our YouTube playlist for Earth Hour 2011. You can still watch the WWF's Earth Hour 2010 films. Feel free to use the embedded code for any video you wish to add to your own web pages.
Download our resources
Spread the word about WWF's Earth Hour with our free resources. We'll be adding more for 2011 as we get closer to Earth Hour.
Check out our free resources
Create some light writing
Make your own memorable light messages for Earth Hour 2011
It's really not as hard as it sounds. All you really need is a camera, something steady to put it on, and a light!
Find out more about light writing and get practising...
Watch and share the Earth Hour video competition winners
Send these fantastic video competition entries to your friends! Can you do something better for 2011?
Take a look at the top three winning entries in our great Earth Hour 2010 film competition
