Cities around the world turn off lights to mark Earth Hour
Updated: 2019-03-31 08:26
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Cities around the world were marking Earth Hour on Saturday by turning off lights at 8:30 pm local time in a call for global action on climate change.
Earth Hour, spearheaded by the World Wildlife Fund, calls for greater awareness and more sparing use of resources, especially fossil fuels that produce carbon gases and lead to global warming. Beginning in Sydney in 2007, Earth Hour has spread to more than 180 countries and regions, with tens of millions of people joining in.
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