"It's the best summation of humanity's converging ecological problems and the best roadmap to sovling them, all in one compact package." —David Roberts, Grist on Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown talk on Plan B: Rescuing a Planet Under Stress & a Civilization in Trouble at Environment Canada Policy Research seminar series. French translation. [Note: http://www.ec.gc.ca/seminar/Brown_e.html no longer exists.]