25 March | 8:30pm WWF Earth Hour
Turn out the lights, take some time and make Earth Hour matter for you, your friends, your family and your planet.
At 8.30pm on Saturday 25 March 2017, hundreds of millions of people across the world will turn off their lights for one hour in a spectacular demonstration of support for action on climate change.
The time for action is now and it’s never been more important to show world leaders you care about action on climate change. So turn out the lights and make your Earth Hour count.
Find out how to make your Earth Hour matter and download your ideas pack now at wwf.org.uk/earthhour