Earth Hour is a worldwide grassroots movement uniting people to protect the planet, and is organised by WWF.
Engaging a massive mainstream community on a broad range of environmental issues, Earth Hour was famously started as a lights-off event in Sydney, Australia in 2007. Since then it has grown to engage more than 7000 cities and towns worldwide, and the one-hour event continues to remain the key driver of the now larger movement.
Earth Hour 2016 will be held on Saturday 19 March between 8.30PM and 9.30PM in your local time zone.
The event is held worldwide towards the end of March annually, encouraging individuals, communities households and businesses to turn off their non-essential lights for one hour as a symbol for their commitment to the planet.