This story appears in the April 2019 issue of National Geographic magazine ... hold for cities and for the two-thirds of us who’ll live in them by 2050? While reporting our story “Rethinking ...

National Geographic has devoted substantial coverage ... a collection of articles examining how we can provide food for all—with 2050 as the horizon—as the global population expands and ...

This article appears in the October 2013 issue of National Geographic magazine ... Out in the world, the more curious (or less polite) among us might approach, asking, “Where are you from?” ...