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.
The Race Between Tipping Points: Can We Save Our Civilization? - Mother Earth News
January 20, 2010
Article by Lester Brown in Mother Earth News, titled "The Race Between Tipping Points: Can We Save Our Civilization?" Posted January 20, 2010.