"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.
Population growth, rising affluence, water shortages and climate change are combining to create unprecedented pressure on the world’s food supply. “We have yet to grasp what climate change means in terms of food security,” says Lester Brown. “We’re looking at changes on a scale we haven’t seen yet.” Get the full report here.