Opinion
Five rules for a world dominated by ageing, not climate
Pensions, family sizes, even innovation and fighting wars cannot be the same in societies that are not replacing themselves.
Ross DouthatContributorThere are two kinds of people in the world: those who believe the defining challenge of the 21st century will be climate change, and those who know that it will be the birth dearth, the population bust, the old age of the world.
That kind of column opener is a hostage to fortune. If I’m wrong, it might be quoted grimly or mockingly in future histories written with New York underwater and Texas uninhabitable.
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