Doomsday Clock Strikes 90 Seconds to Midnight, Signaling Grave Threats from War, Climate and Technology
• Doomsday Clock now at 90 seconds to midnight, reflecting existential threats like nuclear war, climate change, and AI • Clock measures how close humanity is to catastrophe; 90 seconds is closest it's ever been • War in Ukraine cited as worsening nuclear threat • Climate-related disasters continue to worsen • Advances in AI pose danger if not properly managed