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Switch off your lights for an hour

The DNA of the Earth Hour movement. Switch off your lights for an hour on Saturday, March 27, 2021 at 8:30 pm your local time.

Vous avez prévu de rester chez vous ? Nous avons préparé une liste de plus de 20 choses à faire pour une expérience nocturne mémorable (et à fort impact) à vivre depuis chez vous !

En savoir plus




Make an impact online - take part in our first-ever "virtual lights-out"

👉 How? It's simple. On the night of Earth Hour, we'll be posting a must-watch video on all our social media pages - and all you have to do is share it. 

Share it to your Stories or to your wall, re-Tweet it, send it via DM, tag friends in the comments - the choice is yours!

Whether you share it with one person or one hundred, you'll be helping us place the digital spotlight on our planet, the issues we face, and our place within it all.
Be sure to follow us on Instagram / Facebook / Twitter to stay updated!

En savoir plus
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Assistez à un événement

Browse our directory of on-ground and online events around the world on the night of Earth Hour!
The health and safety of our supporters is our priority - please check your local COVID-19 country guidelines before attending an on-ground event. 

Browse events (coming soon)

Learn more about nature loss and climate change

Awareness is the first step before action. Learn about the two biggest challenges of our time, and why they are more interconnected than you might think!

Find out more


Petition for change

Signez notre pétition « Voice for the Planet » pour faire savoir aux dirigeants mondiaux que vous vous souciez de la nature et que vous exigez une action politique urgente afin de protéger notre planète.

Speak up for nature
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Share your story

Inspire and empower others to care for our planet! Post a photo of yourself on Instagram with the hashtag #VoiceForNature, or simply add the hashtag to an existing photo. In the caption, tell us where you're from, why nature is important to you and what you're doing to protect our planet.

We'll be featuring your stories on our website and on our social pages!

See what others are saying

Want to go further? See what's happening in your country: