Already planning on joining Earth Hour with us? Let us know!
Browse our directory of online events around the world on the night of Earth Hour!
Countdown the Hour on by taking our #DanceForThePlanet challenge and #FlipTheSwitch challenge! Also check our our official Earth Hour filters!
Dancing not your thing? We've partnered with One-Minute Brief (OMB) to run a user-generated content competition on the nightof #EarthHour - learn more
Awareness is the first step before action. Hear from Sir David Attenborough, as he explains humanity's biggest challenge yet - and how we can overcome it.
Even the smallest individual actions add up – simple changes in the way you live can have a significant positive impact on our planet.