This hyperdocument explains why I believe that civilization will collapse before the end of this century.
Past Unravelings
The Unraveling at the End of the Bronze Age
The Unraveling of Classical Civilization
How Societies Unravel
Asabiyah, solidarity, social capital
Trigger events
Systems of Increasing Complexity
Community Memory
Death at many different scales
Cells
Multicellular Creatures
Species
Societies
Civilizations
A likely course to the unraveling of civilization
Climate change as the underlying force
Differential costs of climate change
Climate change refugees
Likely trigger events
Violence