Did you know: For the first time in 2008 the world’s city dwellers outnumbered those in the countryside. The share of urbanites is projected to continue increasing, so that by 2030 some 60 percent of the world’s population will live in cities. For more information view the text and data in Chapter 6 of Plan B 4.0: Mobilizing to Save Civilization.
Andrew C. Revkin posts an exchange between Vaclav Smil, the University of Manitoba analyst, and Lester Brown, president of the Earth Policy Institute in the New York Times Dot Earth blog. Posted January 10, 2011.