Did you know? A bicycle is a marvel of engineering efficiency, one where an investment in 22 pounds of metal and rubber boosts the efficiency of an individual mobility by a factor of three. On my bike I estimate that I get easily 7 miles per potato. For more information view the text and data in Chapter 6 of Plan B 4.0: Mobilizing to Save Civilization.
In an interview for the Bulletin of the Atomic Scientists, Lester Brown warns about the growing mismatch between modern agriculture and a changing climate system, including the risk of widespread water shortages and a food crisis in poor countries. Read the full interview in the January 2014 issue.