Join us for Earth Hour 2024!

Switch off and Give an hour for Earth on Saturday, March 23rd at 8:30 pm your local time. Together, let's create the Biggest Hour for Earth!

Join us for Earth Hour 2024!

Switch off and Give an hour for Earth on Saturday, March 23rd at 8:30 pm your local time. Together, let's create the Biggest Hour for Earth!

Give an hour for our one shared home

Last year, over 410,000 hours were given to our planet by supporters in over 190 countries and territories. This year, join us in making the #BiggestHourForEarth even bigger by spending 60 minutes doing good for the planet while doing something you love!

Discover ways to Give your hour

 

Screenshot 2024-02-29 165312

Community members from the village of Kimokouwa work to uproot and remove ipomoea hildebrandtii (Convolvulaceae) - an invasive species. The community set aside one day a week to uproot this invasive species that has caused a decline in nutritious fodder and altered ecological systems and soil. Longido district, Arusha, Tanzania. © Greg Armfield / WWF-UK


Uniting for people and our planet

Since our beginnings, Earth Hour has been known for the symbolic “lights off” in support of our planet. But starting 2023, we've stepped things up, breathing new life into our movement and mission to create the Biggest Hour for Earth.

Our mission


Up your knowledge

The climate and nature crises are some of the greatest challenges humanity has ever faced. Learn more about what's causing them, what's at stake, and what we must do to turn things around.

Learn more

Stay Updated

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