This story appears in the October 2017 issue of National Geographic magazine. In 1950 less than a third of the world’s people lived in cities. Today more than half do. By 2050 two-thirds of ...

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 ...

The World Bank says that by 2050, the effects of climate change ... Thank you for reading National Geographic. Paul Salopek began his Out of Eden Walk in 2013. Supported by the National Geographic ...

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