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Sydney switches off for Earth Hour

Sydney's Opera House and Harbour Bridge plunged into darkness Saturday for the Earth Hour environmental campaign, among the first landmarks around the world to dim their lights for the event.

dateMar 29, 2014 in Environment
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Lights go off around globe for Earth Hour

New York's Empire State Building, the Eiffel Tower in Paris, and the Sydney Opera House were plunged into darkness for the annual Earth Hour campaign, leading a global effort to raise awareness about climate change.

dateApr 01, 2012 in Earth Sciences
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Asia turns off lights for Earth Hour

Australia's Sydney Harbour Bridge and Opera House were plunged into darkness on Saturday for the annual Earth Hour campaign, leading a global effort to raise awareness about climate change.

dateMar 31, 2012 in Earth Sciences
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Lights off as 'Earth Hour' circles the globe

Lights went off around the world as landmark buildings and ordinary homes flipped their switches while the annual "Earth Hour" circled the planet in what was dubbed the world's largest voluntary action for the environment.

dateMar 27, 2011 in Environment
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