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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 massive volcano eruption would eject extraordinary volumes of volcanic dust, toxic and greenhouse gases into the atmosphere with serious effects on global climate (towards extreme global cooling: volcanic winter if short-term, and ice age if long-term) or global warming (if greenhouse gases were to prevail).
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 ".
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." ... showing that people can ...
Too often, people think of nuclear weapons as if they were simply ordinary weapons but a bit more lethal. That is far from the case and is what worries members of the bulletin’s board.
Nuclear war is an often-predicted cause of the extinction of humankind. [1]Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid impact or large-scale volcanism, or via anthropogenic destruction (self-extinction).
Just half a degree rise of global warming will triple the size of the area of Earth that is considered to be too hot for humans. The new area will be equivalent to the size of the U.S., according ...
They have argued that one of the paper's main arguments—the supposed lack of research into higher levels of global warming—was baseless, as on the contrary, the scenarios of highest global warming called RCP 8.5 and SSP5-8.5 have accounted for around half of all mentions in the "impacts" section of the IPCC Sixth Assessment Report, and SSP3 ...