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.
Lecture for San Francisco World Affairs Council
September 24, 2003
Audio of talk at the San Francisco World Affairs Council on Plan B: Rescuing a Planet Under Stress and a Civilization in Trouble.