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Where to watch the lights go out for global Earth Hour 2015
Where to watch the lights go out for global Earth Hour 2015

Earth Hour 2015 will happen at 8:30 p.m. Saturday, when landmarks, hotels, universities, buildings and individuals shut off their lights to raise awareness of climate change. It's an hour -- based on local time wherever you are -- meant to be a call to action too. The World Wildlife Fund organizes the annual event, which started in 2007 in Sydney, Australia. The organization reports that 7,000 cities, 1,200 landmarks and 172 countries and territories will go dark this year. The Eiffel Tower in Paris, the Brandenburg Gate in Berlin and Times Square in New York City are among the landmarks that plan to participate. You can stay home and turn out the lights or go to these events...

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