EcoBuilding Pulse, Oct. 20, 2016, by Ellen Dunham-Jones.
http://www.ecobuildingpulse.com/vision-2020/sustainable-communities/sustainable-communities_o

"Most North Americans live in auto-dependent suburbs requiring high-carbon lifestyles. While cities and the walkable, bikable, compact, low-carbon living they facilitate are seeing a welcome resurgence in popularity, postwar suburbs, in particular, are facing unprecedented challenges. These challenges include increases in poverty, aging populations, more frequent flooding, and the cost of transportation, energy, and infrastructure maintenance, as well as declines in affordability, the number of jobs, social capital, public health, and environmental quality."