Aug 13, 2014 — UNICEF predicts that Africa will have more than 4 billion people by 2100. Depending on how Africa's governments handle the upswing, that could mean a boom in the economy or a rise in mass poverty.
Mar 19, 2014 — Is civilization on the brink of collapse? Every age has its seers who falsely claim that all is rotten. But it's also true, as a new study notes, that history is littered with examples of implosion.
Dec 12, 2012 — The nation's population is now projected to become "majority-minority" in 2043, the Census Bureau says. Meanwhile, the average age will continue to rise as Americans live longer, birth rates continue to decline and immigration slows.
Oct 23, 2012 — There are lots of lines of evidence telling us our current model for cities is unsustainable. Does that mean cities themselves are the problem and we should all move back to the farm?
Sep 30, 2011 — Over the last decade, Nevada's population grew by over 35 percent, while Michigan's shrank by nearly 1 percent.
Jul 29, 2011 — The United Nations says that the seven-billionth person will soon be born into this world — most likely in India, which is on track to overtake China as the most populous nation in just 16 years. Less-developed regions of the world will be responsible for nearly all the global population growth for the next four decades, while the richer nations' population growth looks to be flat.
Mar 28, 2011 — The latest census figures show that Detroit's population has dropped 25 percent over the past ten years. That means one person left the city every 22 minutes for the past decade. The most astounding evidence of the change can be found in photos.