"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.
Podcast of Lester Brown and Senior Fellow Richard Heinberg at the the Post Carbon Institute discussing developments in alternative energy and a path towards a sustainable future in the premier episode of the Post Carbon Exchange series. Posted March 26, 2010.