The Doomsday clock has been moved forward 2 minutes, to 5 to 12, one of the reasons cited being climate change…
“The Bulletin of the Atomic Scientists’ Doomsday Clock conveys how close humanity is to catastrophic destruction–the figurative midnight–and monitors the means humankind could use to obliterate itself. First and foremost, these include nuclear weapons, but they also encompass climate-changing technologies and new developments in the life sciences and nanotechnology that could inflict irrevocable harm.”
It should be noted that this is one clock where the hands can be moved in both directions…