Earth Hour is a global movement to help raise awareness about the planet. Its aim is to raise awareness about things such as:
. Climate Change . Pollution . Our use of fossil fuels . Our impact on the planet, wildlife and animals
Earth Hour is a symbolic movement to help raise awareness about all of these issues.
You can take part in Earth Hour by signing up on the WWF's Earth Hour website. The WWF's Earth Hour has grown into a massive global movement of solidarity for the planet in the last few years.
Nine million people in the UK alone took part in Earth Hour. With millions more participating all over the world.
This year's Earth Hour will be on Saturday the 24th of March, starting at 8.30pm local time.