Annual event sees global blackout as environmentalists hope to 'send a powerful message that we must act now' to save planet
Earth Hour: Millions participate in global switch-off to raise climate change awareness
24. března 2018 22:30
Klimatická změna
Příroda
Celý článek: http://www.independent.co.uk/environment/earth-hour-climate-change-global-warming-lights-off-wwf-a8272466.html
Zdroj: The Independent