3,413.51The Earth Hour event first took place in Sydney in 2007 with some two million people switching off their lights.
The Earth Hour event first took place in Sydney in 2007 with some two million people switching off their lights.
The Earth Hour 2019, worldwide activity has been interrupted by a political sit-in protest on Sukhbaatar Square, in the heart
Mongolia will participate in this year’s Earth Hour campaign under the theme of reducing plastic use, the World Wide Fund