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.
Today the temptation for exporting countries to restrict exports in order to dampen domestic food price rises is greater than ever. Check out Lester Brown's piece in its entirety, based on his new book Full Planet, Empty Plates: The New Geopolitics of Food Scarcity, in the January/February issue of Utne Reader.