Roundup Record Tribune & Winnett Times -

The “hook” of the story intrigued me: “This hasn’t happened in all of modern history...” An email from “The Crux” last month blared, “Global population growth to virtually stop by 2100.”

According to a Pew Research Center analysis, “the world’s [human] population is expected to virtually stop growing by the end of this century, due in large part to falling global fertility rates.” This isn’t a new story (e.g., Ben J. Wattenberg’s 2005 book, Fewer), but it’s worth identifying the reasons for this momentous, unprecedented development.

Procreation is a biological...