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Individuals, businesses and organizations in a record 188 countries and territories worldwide joined WWF's Earth Hour Saturday to spark unprecedented conversation and action on stopping the loss of nature, a day after 550 scientists warned of a "dangerous decline" in global biodiversity.
Close to 18,000 landmarks switched off their lights in solidarity as people across the globe generated more than 3.5 billion impressions of #EarthHour, #connect2earth and related hashtags to show their concern for the planet. The hashtags trended in 33 countries.