"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 on NPR’s Talk of the Nation
April 22, 2013
Now in its 43rd year, Earth Day has become an international day dedicated to promoting environmental awareness and action. Lester Brown explains what's changed, as concern about climate change and green energy have come to the forefront of the movement.