[link:https://twitter.com/i/status/1375848025709539330|]

CNN
@CNN
Earth Hour is an annual tradition in which people switch off their lights to spread awareness about sustainability and climate change. Started by the World Wildlife Fund, it takes place on March 27 from 8:30 p.m. to 9:30 p.m. local time.
For a brief period tonight, some parts of the world will go dark. It's Earth Hour
Started by the World Wildlife Fund, Earth Hour is an annual event meant to spread awareness about sustainability. It happens at 8:30 p.m. on March 27.
cnn.com
12:30 PM · Mar 27, 2021

[link:https://www.cnn.com/2021/03/27/us/earth-hour-2021-trnd/index.html?utm_content=2021-03-27T19%3A30%3A08&utm_medium=social&utm_source=twCNN&utm_term=link|]