Be part of the world’s largest environmental movement.
Earth Hour is the world’s largest grassroots movement for climate change action. Millions of people in over 180 countries take part in Earth Hour by switching off their lights as a symbolic gesture to show that our planet needs stronger action on climate change.
On Saturday, 24th March 2018, switch off for Earth Hour. Switch off for the future of our planet.
An event every week that begins at 10:00 am on Friday, repeating until 4 July 2025
An event every 2 weeks that begins at 11:00 am on Friday, repeating indefinitely