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Go to
Enter the code

A new way to use your power

You can train today on to turn off the light.
Use your smartphone, enter the address and code, or flash the code to use your power.

Discover Earth Hour

Use your power to change climate change!

On Saturday 28th of March 2015 at 8.30pm, millions of people all around the world will turn off the lights for one hour, to celebrate their commitment to the planet. Join the movement, use your power and together, let's go beyond the hour.
Take action
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • 2009
  • 2008
  • 2007

year 2014

  • 162
  • 1,2 billion
    times “Earth Hour” or #EarthHour appeared on Twitter timelines

  • 7000

Hundreds of millions of people. Spider-Man as Earth Hour’s first ever Superhero ambassador

year 2013

  • 154

Earth Hour celebrated in Space, with Russian cosmonaut Roman Romanenko and astronaut Chris Hadfield sending messages from the International Space Station.

year 2012

  • 152
  • 6950

More than 200,000 individuals accepted an ‘I Will If You Will’ challenge. Celebrities got involved to inspire action beyond the hour including Kumi Naidoo (Greenpeace) and Miranda Kerr.

year 2011

  • 135
  • 5251

This was the first Earth Hour to go beyond the hour. Supporters were challenged to go the extra mile by taking tangible action to make a difference for the planet.

year 2010

  • 128
  • 4616

3 months after the failure of COP15 in Copenhagen, Earth Hour succeeded in being the global call to action to stand up, take control and lead the journey towards a sustainable future.

year 2009

  • 88
  • 4000

The Vote Earth Campaign artwork was created by Shepard Fairey, the artist who created the iconic imagery for Barack Obama in the US Presidential Elections. Vote Earth was the first global election between Earth and global warming.

year 2008

  • 35
  • 371

At 8pm on the 29 March 2008, millions of people in some of the world's major cities used the simple action of turning off the lights for one hour to deliver a powerful message about the need for action on global warming.

year 2007

  • 2100
    Business participants
  • 2.2
    Million people

The inaugural Earth Hour was held in Sydney, Australia.

Use your power to switch off the lights of the Eiffel Tower.

On the 28th of March 2015 in Paris, for the 9th edition of Earth Hour, the lights of the Eiffel Tower will go off.
Use your power today, it's your turn to switch off the lights of the Eiffel Tower!

Go to

We Love Cities

Join the global celebration of the most lovable sustainable cities.
Paris, Nantes and Besançon were selected for the Earth Hour City Challenge competition.
Visit the city's page on and click the vote button.

Vote for your favorite sustainable city

Subscribe to the newsletter

In order to receive all the information about the Earth Hour 2015 event and all the info to help WWF change climate change, I subscribe to the Earth Hour France Newsletter.
At WWF, we assure you that all your information is strictly confidential and you can unsubscribe anytime.

Download the EcoGator App

WWF France and TopTen Guide joined forces to launch EcoGator, a free app that will become your personal advisor for energy saving shopping and living.

Legal notices

© 2015 – Fonds Mondial pour la Nature France - All rights reserved.
© Copyright 2015 Earth Hour.

This website is owned by WWF France (Fonds Mondial pour la Nature) based in Paris.
WWF France can collect Personal Information. WWF France is the only recepient of this Personal Information.“Personal Information” means any information in our possession or control that relates to you to the extent that you may be identified or identifiable from that information or in combination with other information in our possession.

We retain your Personal Information in accordance with legal obligations in France (Loi Informatique et Libertés), you can access, modify, delete or oppose to the use of your Personal Information by sending a letter to: Fonds Mondial pour la Nature France (WWF France) - 1, carrefour de Longchamp 75016 Paris.

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General Information (French)
Dénomination : Fonds Mondial pour la Nature France (WWF France)
Catégorie juridique: Fondation reconnue d'intérêt public
Siren: 302 518 667
Siège social : 1, carrefour de Longchamp
75016 Paris
Législation : Française


© 2015 – Fonds Mondial pour la Nature France - All rights reserved.
© Copyright 2015 Earth Hour.


Web project management : Michael Neveu, WWF FRANCE 
Development : WANDI

Photo Credits

Spiderman Cast & Crew © Getty Images
Pandas Paris © WWF/Nina Munn
Earth Hour 2014 Berlin © WWF Berlin
Kids © WWF China
Paris © WWF/Nina Munn
60+ light © Sophie Vuvant
60+ Nepal © Earth Hour
Spiderman Paris © WWF/Nina Munn

Cate Blanchett © Flickr Earth Hour
Czech Republic © Ondrej Vavricek
Paris © WWF/Martin Leers
Paris © WWF/Nina Munn
Philippines © WWF Philippines
Lima © Earth Hour
Romania ©Doru Oprisan
Edimbourg © Maverick Photo Agency

Miranda Kerr © Earth Hour
Tehran Municipality © Earth Hour
Mexico  © WWF/Fabian Caballero
Berlin © David Biene/WWF
UAE © Earth Hour

Paris © WWF
Noumea © WWF
Cambodia © WWF
Thailand © WWF
Paris Buzzer © WWF

New Zealand © Mark Jackson
Lanterns © WWF/Sean Kelland
Paris © WWF/Nina Munn
Kids © WWF China
Defender of the earth © WWF/Roni Sambiangga
Canada © Jeremiah Armstrong / WWF-Canada
Sparklers © Jeremiah Armstrong / WWF-Canada
Romania © WWF/Mihai Pana

Save Earth © Earth Hour
Canada  © WWF-Canada / Frank PARHIZGAR
Vote Earth © Earth Hour
Paris © WWF
Newspaper © The Sydney Morning Herald

60 © Earth Hour
Sydney © WWF Australia
San Francisco © WWF/John Storey

Sydney © WWF Australia

Bear © Staffan Widstrand/WWF
Kid © Brent Stirton/Getty Images/WWF-UK
Fish © Robert Delfs/WWF
Volunteers © Jorge Sierra/WWF

Earth Hour

Media kit

Earth Hour 2015 is about getting the crowd to use #YourPower to change climate change. Every action counts. Use the Earth Hour poster, logos, web banners, social media tool-kit, or create your own event.

Social Media Toolkit
Download package
Web banners
Download package