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.
Lester Brown interviewed on Ira Flatow's Science Friday program for NPR, "Feeding a Hotter, More Crowded Planet." Posted August 15, 2011.