Uniting people to protect the planet.


24 Hours, 24 Stories

WWF's Earth Hour swept across the globe on Saturday 28 March 2015 (8:30 p.m. local time) and millions of Earth Hour supporters worldwide joined forces to highlight the need for climate action. See the change Earth Hour created through these 24 stories.

Read the stories

Watch our impact video

In 2015, WWF’s Earth Hour grew to become the world’s largest grassroots movement for the environment. While the global lights out remains an impactful visual call-out, its true impact is starting to be seen in areas and communities fighting climate change on an everyday basis.

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Everyday Climate Change

Take a look at our hand-picked selection of photos from the EverdayClimateChange Instagram feed. 

Join the movement

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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