doomsday scenarios
End-of-world predictions
Doomsday scenarios are hypothetical situations involving catastrophic or world-ending events—nuclear war, asteroid impacts, pandemic collapse, climate catastrophe.
The term appears in disaster planning, fiction, and speculation about existential risks: Policy analysts model doomsday scenarios to prepare for the worst.
The phrase often carries a note of alarmism or dark imagination.
- economic depressionSustained economic contraction
- alien invasionAttack from outer space
- solar flareMagnetic eruption from sunspots
- tsunamiSeismic sea surge
- political revolutionFundamental change in governance
nuclear meltdown · asteroid impact · supervolcano · pandemic · civil war · resource depletion · population collapse · climate collapse · zombie apocalypse · grey goo · earthquake · social unrest · energy crisis · chemical spill · volcanic eruption · hurricane · wildfire · nuclear war
doomsday scenariosbest-case scenarios
Most favorable potential results
utopian visions · happy endings · techno-utopias · promised lands · heaven on earth
doomsday scenariosbest-case scenarios
Most favorable potential results
blue-sky thinking · wishful thinking · silver linings · business as usual · muddling through