+A [Global Catastrophe](/wiki/global_catastrophe) describes an event with the potential to cause severe, widespread disruption or destruction across Earth. Such an event could threaten human civilization itself, leading to profound societal collapse or even [Human Extinction](/wiki/human_extinction).
+## See also
+- [Existential Risk](/wiki/existential_risk)
+- [Planetary Defense](/wiki/planetary_defense)
+- [Societal Collapse](/wiki/societal_collapse)
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