SYDNEY, Australia (AFP) — The Sydney Opera House and the Harbour Bridge were plunged into darkness for an hour Saturday to raise awareness about climate change and its impact on the planet’s vanishing biodiversity. The 12th edition of Earth Hour, organised by the green group WWF, will see millions of people across 180 countries turn off their lights at 8:30 pm local time to highlight energy use and the need for conservation. “We are […]