Earth Hour is a global event organized by WWF (World Wide Fund for Nature, also known as World Wildlife Fund) and is held on the last Saturday of March annually, asking households and businesses to turn off their non-essential lights and other electrical appliances for one hour to raise awareness towards the need to take action on climate change.

Earth Hour 2011 took place on March 26, 2011 from 8:30 p.m. to 9:30 p.m., at participant's local time.

This Earth Hour 2012: 8.30pm, Saturday 31 March, celebrate your action for the planet with the people of world, and add more to your Earth Hour.

Join US!  http://www.facebook.com/events/347961525216981/

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