World teeters at 89 seconds to midnight The Doomsday Clock, a symbolic gauge of how close humanity is to destroying the world, has edged to 89 seconds to midnight – the closest the planet has ever been to that marker Midnight: Represents moment humanity makes planet uninhabitable 2025: Has moved one second to show that every second of delay in reversing course increases probability of disaster UPS AND DOWNS SINCE 1947 Minutes to midnight (doomsday hour) 1950 1960 1970 1980 1990 2000 2010 2020 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1949 1960 1963 1968 1969 1972 1974 1981 1980 1988 1990 1995 1998 2002 2010 2012 2015 1947: Doomsday Clock introduced Clock stands at 7 minutes to midnight 1953: U.S. and Soviet Union start testing hydrogen bombs 1984: U.S.-Soviet relations reach lowest point in decades 1991: Cold War officially ends U.S. and Russia cut nuclear arsenals 2007: Risks from climate change included for first time 2020: Nuclear, climate and political inaction 2023: Nuclear risk in Ukraine 90 seconds Sources: CNN, Bulletin of the Atomic Scientists Picture: erika8213/Newscom © GRAPHIC NEWS