It’s supposed to be a symbol, sort of like the Doomsday Clock meant to serve as “a metaphor for how close humanity is to self-annihilation.” The Climate Clock in Union Square was initially ...

as the United States and the Soviet Union started a nuclear arms race. While assured mutual destruction via nuclear weapons is never not a threat, the Doomsday Clock has since expanded to consider ...

The Doomsday clock was set at ... with early versions of the clock warning of the risk of the arms race between the U.S. and Soviet Union. Since 2007, climate change has been a leading concern ...

and the Soviet Union dissolved, the clock briefly dipped to 17 minutes before midnight. Catchy as the title is, the clock didn’t get its “doomsday” moniker until relatively recently.