The New Yorkerのインスタグラム(newyorkermag) - 10月28日 12時00分

"When we set the size of our families, we are, each in our own small way, determining how the world of the future will look," Elizabeth Kolbert wrote, in 2012. "And we’re doing this not just for ourselves and our own children; we’re doing it for everyone else’s children, too." Tap the link in our bio to read Kolbert’s analysis of scientific research on the morality of having children—and how many is optimal, whether for our own fulfillment, or for the future of the planet and our species.

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