Expanding public transportation, walking, and biking in cities could save more than $100 trillion in public and private spending between now and 2050. A new report shows that this shift also would result in reductions in carbon dioxide emissions reaching 1,700 megatons a year in 2050. “The study shows that getting away from car-centric development, especially in rapidly developing economies, will cut urban CO2 dramatically and also reduce costs,” says report coauthor Lew Fulton, co-director of NextSTEPS Program at the University of California, Davis Institute of Transportation Studies.
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