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A climate apocalypse is a term used to denote a predicted scenario involving the global collapse of human civilization due to climate change. Such collapse could theoretically arrive through a set of interrelated concurrent factors such as famine, extreme weather, war and conflict, and disease. [1]
A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [2] even endangering or destroying modern civilization. [3] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an " existential risk ".
Scenarios in which a global catastrophic risk creates harm have been widely discussed. Some sources of catastrophic risk are anthropogenic (caused by humans), such as global warming, [1] environmental degradation, and nuclear war. [2] Others are non-anthropogenic or natural, such as meteor impacts or supervolcanoes.
The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." ... "We can only succeed if we ...
The Doomsday Clock of the Bulletin of the Atomic Scientists is displayed at a news conference at the United States Institute of Peace in Washington DC on Tuesday, January 28.
In 2024, the experts who maintain the Doomsday Clock said humanity was as close as ever to global catastrophe. The time on the symbolic clock was set at 90 seconds to midnight , the same as in 2023.
The Doomsday Clock is a symbol that represents the estimated likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the Clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances. That is, the time ...
The Doomsday Clock, set at 89 seconds to midnight, is displayed before a news conference at the United States Institute of Peace, Tuesday, Jan. 28, in Washington.