Jeff Speck, co-author of "Suburban Nation" (along with Andres Duany and Elizabeth Plater-Zyberk), offers the "10 worst things about sprawl" in a slideshow on Huffington Post.
Speck suggests that what was once an aesthetic revolt has gone mainstream:
"...a preference has become a mandate, as sprawl has quietly been identified as a central cause behind a growing list of mounting national crises including foreign oil dependency, climate change, and the obesity epidemic. With economists, environmentalists, and epidemiologists all bemoaning suburbia, it is a good time to step back and remind ourselves what we're still up against."
In his slideshow he highlights such ills as 'mcmansions', income segregation, Co2 footprints and anti-pedestrian environments.
FULL STORY: The 10 Worst Things About Sprawl

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City of Albany
UCLA Lewis Center for Regional Policy Studies
Mpact (formerly Rail~Volution)
Chaddick Institute at DePaul University
City of Piedmont, CA
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research