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An Hour that could change decades

Every year, at 8:30 pm on the last Saturday of March, millions of people across the world show their support for our planet, raising awareness of nature loss and climate change - the two biggest threats facing our one home. 

But Earth Hour is more than just an Hour for the planet - it's a movement for our future

And it's more than just a symbol of support - it's a catalyst for urgent change amidst one of our most crucial years yet. 

 

Learn more

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Watch highlights from 2021
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EARTH HOUR 2021 BREAKS ALL RECORDS 

Earth Hour has always drawn its power from the people - and this year was no exception. We showed that despite the physical distance, we were still able to unite digitally to speak up for nature louder than ever. Taking place just a few months before crucial climate and nature conferences in the months ahead, Earth Hour sent an unmissable message to world leaders that millions of people around the globe demand urgent action in tackling our planet’s biggest environmental challenges.


Watch this year's highlight video

Read the full report

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THE EARTH HOUR VIRTUAL SPOTLIGHT

Over the years, you've switched off your lights at home, turning entire streets, buildings, and city skylines dark - an unmissable sight that drew public attention to nature loss and the climate crisis.

This year, we invite you to spread the same message and re-create the same unmissable sight online by taking part in our first-ever Earth Hour Virtual Spotlight. Let's get the world watching. Let's get the world talking


Learn more

 

Latest News

Earth Hour 2021 breaks all records calling for action in ...

Global leaders, celebrities, individuals, youth groups and businesses from a record-breaking 192 countries and territories came together on Saturday 27 March, to lend their support for the planet. ...

Rediscovering myself, rediscovering Earth Hour

    The very first time I heard of Earth Hour was in primary school during a values education class, that week’s theme was about caring for the environment. Since then, Earth Hour was etched as a ...