Sydney's Opera House and Harbour Bridge plunged into darkness today to mark Earth Hour, as global landmarks began dimming their lights to draw attention to climate change. Millions of people from some 170 countries and territories are expected to take part in ... Business Standard, 1 month ago
Earth Hour 2017: Cities around the world plunge into darkness to raise awareness about climate change
The initiative began in Australia in 2007 as a grass roots gesture by the World Wildlife Fund (WWF) Australia against man-made carbon dioxide emissions linked to a warming planet. In 2017, it involved the switching off of electric lights for an hour in 7,000 ...DNA, 1 month ago
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