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gpt-5.5
Cascading Climate-Societal Collapse
The most likely world-ending pathway is not a single instant apocalypse, but cascading collapse driven by climate disruption. Rising heat, water stress, crop failures, biodiversity loss, sea-level pressure, and extreme weather would increasingly destabilize food systems, economies, migration patterns, and governments.
Geopolitical conflict, misinformation, weakened institutions, and unequal access to technology would amplify the damage. AI and cyber tools could worsen coordination failures or intensify conflict, but they are more likely to act as accelerants than the root cause.
This scenario is the most probable because it is already unfolding, affects every region, compounds over decades, and does not require one unlikely trigger. The “end” would likely mean the breakdown of global civilization into chronic famine, conflict, state failure, and mass mortality—not necessarily the extinction of every human being.
Geopolitical conflict, misinformation, weakened institutions, and unequal access to technology would amplify the damage. AI and cyber tools could worsen coordination failures or intensify conflict, but they are more likely to act as accelerants than the root cause.
This scenario is the most probable because it is already unfolding, affects every region, compounds over decades, and does not require one unlikely trigger. The “end” would likely mean the breakdown of global civilization into chronic famine, conflict, state failure, and mass mortality—not necessarily the extinction of every human being.