"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.
Janet Larsen weighs in with "Should Young People Trust Political Leaders to Lead?" National Journal UN Climate Change Conference blog. Posted December 10, 2009.