"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.
The following four YouTube clips from a recent lecture Lester Brown gave on Plan B 3.0: Mobilizing to Save Civilization will take you into the heart of the Plan B message. The presentation was to the Chemical Society of Washington.
Our Challenge to Save Civilization
Melting Ice and Shrinking Glaciers
Failing States: Early Sign of Decline
Cutting Carbon Emissions 80 Percent by 2020