On Earth Hour 2015, millions unite for climate action.

Uniting people to protect the planet.

Earth Hour Live!

As Earth Hour swept across twenty-four time zones and six continents on 28th March 8:30 PM local time, we posted Earth Hour celebrations from New York to Nairobi to Paris! 

Check out Earth Hour Live

Watch our powerful video

This year, everyone's talking climate change. Use #YourPower and take climate action now!

Take Action Now

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Help us plan the movement for our 10th year anniversary in 2016 with this short survey!

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Take your first step towards changing climate change. Join millions of people across the world who are part of the Earth Hour movement.

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