What is the Doomsday clock? Why did it move closer to global catastrophe? What it means
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'Doomsday Clock' moves one second closer to midnight
The Bulletin of Atomic Scientists moved the Doomsday Clock one second closer to midnight, meaning humanity is closer to destroying itself.
The 2025 Doomsday Clock is ticking closer to midnight than ever before, signaling 'humanity edging closer to catastrophe' according to the Atomic Scientists.
The Bulletin of the Atomic Scientists announced on Tuesday the clock now reads 89 seconds to midnight, one second closer than last year. It's the closest it has been since 1947, when the clock was introduced.
Scientists warned in their 2025 Doomsday Clock Statement, the new 2025 Clock time signals that "the world is on a course of unprecedented risk, and that continuing on the current path is a form of madness. The United States, China, and Russia have the prime responsibility to pull the world back from the brink. The world depends on immediate action."
Manpreet Sethi, member of Bulletin of the Atomic Scientists and distinguished fellow at the Centre for Air Power Studies in New Delhi, said in the statement:'The risk of nuclear use continues to grow due to capabilities building up and treaties breaking down. Russia has suspended compliance with the New START treaty and withdrawn ratification of the Comprehensive Nuclear Test Ban Treaty. China is rapidly increasing its nuclear arsenal. And, the US has abdicated its role as a voice of caution. It seems inclined to expand its nuclear arsenal and adopt a posture that reinforces the belief that 'limited' use of nuclear weapons can be managed. Such misplaced confidence could have us stumble into a nuclear war.'
Another member scientist and senior research scholar for cyber policy and security at the Center for International Security and Cooperation, Herb Lin, said AI has the potential to accelerate "chaos and disorder." He expressed concerns over integrating artificial intelligence into weapons of war, raising questions about the "extent to which machines will be allowed to make or support military decisions—even when such decisions could kill on a vast scale."
Here's what to know about the Doomsday Clock and what it means.
What is the Doomsday Clock?
The Doomsday Clock is a metaphor or symbol representing how close humanity is to self-destruction via a human-made global catastrophe according to the Bulletin of the Atomic Scientists.
The Bulletin of the Atomic Scientists was founded in 1945 by Albert Einstein, J. Robert Oppenheimer and University of Chicago scientists who had helped develop the first nuclear weapons for the Manhattan Project. The group started the Doomsday Clock two years later.
The Clock's original setting in 1947 was seven minutes to midnight. It has since been set backward eight times and forward 18 times. The farthest time from midnight was 17 minutes in 1991, and the nearest is 89 seconds, set in January 2025.
The clock is not actual time, but a hypothetical time that takes into account threats such as climate change, the danger of nuclear weapon disasters, instability in the Middle East, the threat of pandemics, artificial intelligence and mis- and disinformation.
This year's member scientists also expressed concerns over climate change, noting in their statement that '2024 was the hottest year on record. Extreme weather and other climate events—floods, tropical cyclones, extreme heat, drought, and wildfires— devastated societies, rich and poor, as well as ecosystems around the world. Yet the global greenhouse gas emissions that drive climate change continued to rise."
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