"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.
Jeff McIntire-Strasburg of Sustainablog reviews World on the Edge in "Lester Brown's World on the Edge: Mobilizing against Collapse." Posted February 16, 2011.