Change the world: Turn off your lights for 1 hour on March 29

Sign up for Earth Hour, scheduled for March 29, 2008.


It started with a question: How can we inspire people to take action on climate change?

The answer: Ask the people of Sydney to turn off their lights for 1 hour.

On March 31, 2007, 2.2 million people and 2,100 Sydney businesses turned off their lights for 1 hour— Earth Hour . If the greenhouse reduction achieved in the Sydney CBD during Earth Hour was sustained for a year, it would be equivalent to taking 48,616 cars off the road for a year.

With Sydney icons like the Harbour Bridge and Opera House turning their lights off, and unique events such as weddings by candlelight, the world took notice. Inspired by the collective effort of millions of Sydneysiders, many major global cities are joining Earth Hour in 2008, turning a symbolic event into a global movement.

Sign up for Earth Hour , scheduled for March 29, 2008.

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