Earth Hour: millions to switch off lights around the world
Lights in homes, buildings and famous landmarks will be turned off for an hour on Saturday to mark WWF's annual event Millions of people around the world are expected to switch off lights in homes, offices and famous landmarks at 8.30pm local time for an hour on Saturday to mark WWF's annual Earth Hour. Now in its eighth year, the mass participation event to show support for environmental issues comes as th ...
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