Doomsday Clock Holds at 90 Seconds to Midnight as Climate, AI, and War Threats Persist
• Doomsday Clock remains at 90 seconds to midnight, reflecting continuing high risk to humanity from threats like climate change and AI
• Clock created in 1947 by atomic scientists to symbolize how close world is to catastrophe
• Russia-Ukraine war, hottest year on record in 2023, advanced AI, and nuclear arms agreements deterioration among threats noted
• Bulletin calls for urgent action by governments and communities to turn back the Clock
• In 1991, Clock set farthest from midnight (17 minutes) after Cold War ended and US-Soviet nuclear arms reductions