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.
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.
