A planet with seasons lasting centuries forces civilizations to rise and fall with each Great Year, testing whether any social structure can persist across environmental cycles measured in human lifetimes.
Models civilizational response to slow-moving environmental change: relevant to climate change adaptation, where the timescale of the threat exceeds political planning horizons.
Domains: Climate and Environmental ChangeGovernance and Political Systems
Scenario Types: Thought experiment / What-if
Outcomes: Ambiguous / Mixed
Tags: millennial-seasonscivilizational-cycleslong-cycle-adaptation