Doomsday Clock 2023 — 90 seconds to Midnight

In 2023, the Bulletin of the Atomic Scientists set the Doomsday Clock to 90 seconds to midnight. Russia's invasion of Ukraine raises nuclear tensions to their highest level since the Cold War. Climate change continues unabated.

Why the Clock Was Set to 90 seconds in 2023

Reason: Russia-Ukraine war. Russia's invasion of Ukraine raises nuclear tensions to their highest level since the Cold War. Climate change continues unabated.

View the current Doomsday Clock time | Full history timeline

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