"Urban transport systems based on a combination of rail lines, bus lines, bicycle pathways, and pedestrian walkways offer the best of all possible worlds in providing mobility, low-cost transportation, and a healthy urban environment." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Lester Brown, president of the Earth Policy Institute, discusses the outlook for global food production and potential implications for the world's population. Brown speaks with Carol Massar and Matt Miller on Bloomberg Television's "Street Smart." Posted February 9, 2011.