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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 risks covered by the book include both anthropogenic (man made) risks and non-anthropogenic risks. Anthropogenic: artificial general intelligence, biological warfare, nuclear warfare, nanotechnology, anthropogenic climate change, global warming, stable global totalitarianism; Non-anthropogenic: asteroid impacts, gamma-ray bursts
The historical precursors of existential risks studies can be found in early 19th-century thought around human extinction and the more recent models and theories of global catastrophic risk that date mainly to the Cold War period, especially the thinking around a hypothetical nuclear holocaust. [7]
A plausible and significant contributor to global catastrophic risk; the potential for climate change to be a global catastrophic threat can be referred to as "catastrophic climate change". Global decimation risk: The probability of a loss of 10% (or more) of global population and the severe disruption of global critical systems (such as food ...
Known as the Great Dying, the mass extinction that ended the Permian geological period was the worst of the five global catastrophic events in Earth’s history, more devastating, than the one ...
A new report commissioned by the US State Department paints an alarming picture of the “catastrophic” national security risks posed by rapidly evolving artificial intelligence, warning that ...
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