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Doomsday scenarios are possible events that could cause human extinction or the destruction of all or most life on Earth (a "true" or "major" Armageddon scenario), or alternatively a "lesser" Armageddon scenario in which the cultural, technological, environmental or social world is so greatly altered it could be considered like a different world.
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. The Last Judgment by painter Hans Memling. In Christian belief, the Last Judgement is an apocalyptic event where God makes a final ...
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 ".
Disease, nuclear war, asteroids, even fictional scenarios like zombies are laid out in detailed and thoroughly researched descriptions. [3] [4] In May 2008, a rewritten selection of 50 end-of-world scenarios was published as a book in the Netherlands: Exit Mundi, het einde van de wereld. De beste 50 scenario's. Translations are in the works.
The April 30, 2011 document was written as part of a fictional training scenario for junior officers undergoing training in JOPES, the DoD's contingency planning system and for strategic training. [ 2 ] [ 4 ] [ 1 ] United States Strategic Command instructors found that a "zombie survival plan" made for "a very useful and effective training tool ...
Gray goo (also spelled as grey goo) is a hypothetical global catastrophic scenario involving molecular nanotechnology in which out-of-control self-replicating machines consume all biomass (and perhaps also everything else) on Earth while building many more of themselves, [1] [2] a scenario that has been called ecophagy (the literal consumption of the ecosystem). [3]
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 ]