“Russia’s thinly veiled threats to use nuclear weapons remind the world that escalation of the conflict – by accident, intention, or miscalculation – is a terrible risk. The possibility that the conflict could spin out of anyone’s control remains high,” the group said.
In other words, the Doomsday Clock today signals a higher risk of the end of humankind than in 1953, when both the United States and the Soviet Union conducted dramatic above-ground tests of nuclear weapons.