Earth Hour Videos
Earth Hour started in 2007 in Sydney, Australia when 2.2 million homes and businesses turned their lights off for one hour to make their stand against climate change.
2007
In 2008 Earth Hour became a global sustainability movement with more than 50 million people across 35 countries participating.
Global landmarks such as the Golden Gate Bridge in San Francisco, Rome's Colosseum and the Coca Cola billboard in Times Square, all stood in darkness, as symbols of hope for a cause that grows more urgent by the hour.
Global landmarks such as the Golden Gate Bridge in San Francisco, Rome's Colosseum and the Coca Cola billboard in Times Square, all stood in darkness, as symbols of hope for a cause that grows more urgent by the hour.
2008
In March 2009, hundreds of millions of people took part in the third Earth Hour.
Over 4000 cities in 88 countries officially switched-off to pledge their support for the planet, making Earth Hour 2009 the world's largest global climate change initiative.
Over 4000 cities in 88 countries officially switched-off to pledge their support for the planet, making Earth Hour 2009 the world's largest global climate change initiative.
2009
In 2010, Earth Hour was held on Saturday March 27 at 8.30pm-9.30pm and succeeded in being a global call to action to stand up, to take responsibility, and lead the global journey to a sustainable future. A record 128 countries and territories took part and iconic buildings and landmarks from Asia Pacific to Europe and Africa to the Americas stood in darkness.
2010
This year, Earth Hour will be held on Saturday March 26 at 8.30pm-9.30pm wherever you are in the world. This Earth Hour we want you to go beyond the hour, to think about what else you can do to make a difference when the lights turn back on. So save the date and keep coming back to earthhour.org to find out what’s in store.