"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.
Transcript of Earth Day Biofuels teleconference with Lester Brown, Ken Cook (President of the Environmental Working Group), and Jonathan Lewis (attorney and Climate Program Coordinator with the Clean Air Task Force. See also op-ed in Washington Post, "Ethanol's Failed Promise."