In "The World Without Us," journalist Alan Weisman explored what would happen to our planet if we were no longer living on it. His latest book focuses on the growing world population and its effect on nations around the globe. Weisman visited 21 countries to find out how they're managing increasing demands for resources and protecting those that are limited. Kojo talks to Weisman about his urgent and, ultimately, hopeful journey.
Read An Excerpt
Excerpted from the book COUNTDOWN by Alan Weisman. Copyright © 2013 by Alan Weisman. Reprinted with permission of Little, Brown and Company. All rights reserved.