Saturday March 23rd is Earth Hour

Earth Hour takes place on Saturday 23rd March 2013 - a 60 minute switch off that encourages millions of people around the world to think hard about the things we can do every day to protect the planet.

WWF's Earth Hour is a unique annual phenomenon that focuses the world's attention on our amazing planet, and how we need to protect it. At 8.30pm on 23rd March hundreds of millions of people will turn off their lights for one hour, on the same night, all across the world in a huge, symbolic show of support. 152 countries will be taking part.

For more info www.wwf.org.uk/earthhour.