The New START, which Medvedev signed in 2010 when he was Russia’s president, expires today (February 5) unless Washington and Moscow reach a last-minute understanding.
The clock is a symbolic measure of how near the world is to catastrophe, based on threats such as nuclear war, climate change, emerging technologies and disinformation.
The Bulletin of the Atomic Scientists cited risks of nuclear war, climate change, potential misuse of biotechnology and the increasing use of artificial intelligence without adequate controls as it made the annual announcement, which rates how close humanity is from ending
Doomsday clock: Climate change adds another layer of uncertainty, with 2023 marking the hottest year on record.