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.
Article and podcast: Lester Brown giving the 2009 Peter Roberts Memorial Lecture, "How Can We Feed the World and Protect the Environment," sponsored by Compassion in World Farming. Presented in London on October 29, 2009.