doomsday scenario

Translations
сценарий судного дня
The scientists discussed a doomsday scenario where climate change leads to catastrophic consequences.
Учёные обсудили сценарий судного дня, в котором изменение климата приводит к катастрофическим последствиям.
Definitions
A doomsday scenario refers to a hypothetical situation or event that leads to catastrophic consequences, often involving the end of civilization or significant destruction, typically due to natural disasters, nuclear war, pandemics, or other global crises.