InFocus | Earth Hour
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Saturday Mar 28
Earth Hour around the world
From Times Square in New York to Big Ben in London and the pyramids, Earth Hour is marked by the switching off of lights around the world.
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Friday Mar 27
Earth Hour: Send your comments and pictures
Will you be taking part in Earth Hour by switching off your lights? Share your stories with us or send us your photos to mark the occasion.
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Friday Mar 28
Do your bit and think big for Earth Hour
Earth Hour is a WWF event to raise awareness about climate change and to symbolize that, working together, the people of the world can make a difference in the fight against climate change.
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Thursday Mar 27
How to sign up for Earth Hour
You can register to take part in Earth Hour as either an individual, organisation, school or business. Here is how.
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Thursday Mar 27
The origins of the Earth Hour campaign
In early 2007, WWF-Australia proposed a simple plan to combat the world's most prominent environmental threat: global warming, and urged residents of the Australian city of Sydney to take a collective stand.
