The Doomsday Clock is now 90 seconds to midnight, the closest ever, due to nuclear, climate, and tech risks amid rising global tensions.

The Bulletin of the Atomic Scientists reports that the Doomsday Clock has been set to 90 seconds before midnight, the closest it has ever been. The scientists cited increased geopolitical tensions and the possibility of catastrophic conflict during the first year of the Trump administration as reasons for the decision, which reflects growing global risks from nuclear weapons, climate change, and emerging technologies.