The Hindu | Lights out in Sydney as world begins Earth Hour ABC Online Sydney's iconic Opera House and Harbour Bridge went dark along with millions of homes at the start of Earth Hour, a global switch-off aimed at revitalising efforts against climate change. Landmarks across Australia were being plunged into darkness, ... Earth Hour 2010 gets underway in Australia, Pacific islands Landmarks go dark, millions unplug for Earth Hour Sydney dims lights for Earth Hour |
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