Earth Hour is an activity proposed by WWF to cope with global climate change, hoping that individuals, communities, businesses and governments turn off lights from 20:30 to 21:30 on the last Saturday of March each year, to show their supp
Earth Hour is an activity proposed by WWF to cope with global climate change, hoping that individuals, communities, businesses and governments turn off lights from 20:30 to 21:30 on the last Saturday of March each year, to show their supp
Earth Hour is an activity proposed by WWF to cope with global climate change, hoping that individuals, communities, businesses and governments turn off lights from 20:30 to 21:30 on the last Saturday of March each year, to show their supp