"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.
"Eco-Economy: Building an Economy for the Earth, A Vision of an Eco-Economy," The English-Speaking Union, Washington, D.C. This lecture was taped by C-SPAN 2 and aired over several months. Copies of the tape can be obtained by calling, toll free: 1-877-ON CSPAN (1-877-622-7726).