Abstract
Vast population growth is one of the chief dangers of our times—but perhaps not because of growth size itself. First, scientists and policy makers differ about how many more people the global system can accommodate. Early dreams of endless growth, nationalistic emphases on population quality, and neo-Malthusian claims to the limits of growth remain intellectual challenges. Actual policy is left to nation-states. Second, nation-states rarely have population policies and, when they do, the policies are quite diverse and self-centered. Third, population imbal ance and uncontrolled migration enhance a perception of a population danger that in turn fuels political destabilization. Getting through the shoals occasioned if not caused by vast population growth requires improved steering by nation-states and a more serious international effort to deal with global policy.
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