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's World on the Edge: How to Prevent Environmental and Economic Collapse in Karen Zeitvogel's article "World is 'one poor harvest' from chaos, new book warns," for AFP. Posted January 17, 2011.