Lights Out! 120 Nations Marking Earth Hour
Saturday, March 27, 2010 - 10:49
in Earth & Climate
Some 4,000 Cities Expected to Unplug Lights to Reduce Energy Consumption While Drawing Attention to Climate Change
Updated by artificial intelligence Tue, 13 Jun 2023, 2:53:47 UTC Learn more
- Tell your friends
- Get science news via