We’re closer to the end of the world than we’ve ever been

The Doomsday Clock, which counts down how close humanity is to total destruction, is now at 90 seconds to midnight. Rachel Bronson is president and CEO of The Bulletin of the Atomic Scientists, which recently updated the clock. She joins host Krys Boyd to discuss the factors that have ticked us closer to disaster – from the war in Ukraine to Covid and climate change – and the ways we can still intervene to stave off danger.