ScienceDaily: More than $100 trillion in cumulative public and private spending, and 1,700 megatons of annual carbon dioxide (CO2) -- a 40 percent reduction of urban passenger transport emissions -- could be eliminated by 2050 if the world expands public transportation, walking and cycling in cities, according to a new report released by the University of California, Davis, and the Institute for Transportation and Development Policy (ITDP).
Further, an estimated 1.4 million early deaths could be avoided annually...