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 writes about the trends of the food supply and demand equation that are increasing food prices in "The Great Food Crisis of 2011" on Foreign Policy's website. Posted January 11, 2011.