Home > Get involved

Get involved

Switch off and support WWF’s Earth Hour

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

Sign up for WWF's Earth Hour


Sign up if you are switching off!

Earth hour 2010

If you are one of the millions who will be switching off, register your support.

Sign up now


Share your Earth Hour moments

Earth Hour light writing

Inspire the world about WWF's Earth Hour with your light writing, photos and videos. We'll share the best on our site over the coming weeks and months.

Uploading is simple!



Countdown to Earth Hour


Join us on:

Join us on facebook Follow us on twitter Watch us on YouTube View pictures on Flickr

Know others who can help?

Encourage your local authority, schools and businesses to support WWF’s Earth Hour.