Take part in Earth Hour 2015

Did you switch off for Earth Hour?

Register here if you took part in this year's Earth Hour.

Register for lights out

Countries & Territories


Cities & Towns


Aussie 'Lights Out' in 2014


Earth Hour Australia's Egg-cellent Launch Video 

Raisin temperatures and more egg-streme weather events are threatening Aussie farms. But don't feel beet, or bleu!  There's still a shallot you can do.

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    The Earth Hour Story

    Earth Hour launched in Sydney in 2007, with 2.2 million people and 2,100 businesses participating in the ‘lights off’ event.