"Attention has focused on oil insecurity, and rightly so, but it is not the same as food insecurity. An empty gas tank is one thing, an empty stomach another. And while there are substitutes for oil, there are none for food." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Article by Lester Brown in Mother Earth News, titled "The Race Between Tipping Points: Can We Save Our Civilization?" Posted January 20, 2010.