An asteroid impact that wiped out hundreds of millions of people would barely slow down human population growth. That’s one of the surprising results of a new computer model, which still finds that there may be a couple of things we can do to keep our numbers in check.
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Bradshaw and Brook are not advocating any particular policy. But they make the case that population momentum in humans is strong, says Richard Cincotta, a political demographer at the Stimson Center, a Washington, D.C., think tank. The study’s results aren’t surprising, Cincotta says: Demographers have known this for years—they just don’t communicate it very well.
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