Doomsday Clock Advances to 11:58 p.m., Closest Since 1950s January 25, 2018 +3 Arms Control and Limitation and Disarmament Bulletin of the Atomic Scientists Global WarmingIFTTT Nuclear Weapons NYT. Climate Change Arms Control and Limitation and Disarmament Bulletin of the Atomic Scientists Global WarmingIFTTT Nuclear Weapons NYT. Climate Change