The Doomsday Clock has been ticking for exactly 75 years. But it's no ordinary clock.
원문출처 : https://www.cnn.com/2022/01/20/world/doomsday-clock-2022-climate-scn/index.html
원문출처 : https://www.cnn.com/2022/01/20/world/doomsday-clock-2022-climate-scn/index.html