The current observation is that the urban poor are moving to the suburbs. Alon Levy says that this is nothing new, and the current effects of such movement is in fact just the "tipping point" of what's been happening for the last 50 years.
"Poverty is suburbanizing from the inside out rather than from the outside in, just as wealth and the upwardly mobile middle class did fifty years ago.
Although this implies that suburbia is unsustainable, the way it implies it is different from the usual explanation. It's not that the future is bad for low-density settlements and good for high-density ones. It's that the American urban form and political geography, especially but not only in the suburbs, are fundamentally unsustainable, and require constant growth to persist."
FULL STORY: Suburbanization of Poverty: What’s New?

Analysis: Cybertruck Fatality Rate Far Exceeds That of Ford Pinto
The Tesla Cybertruck was recalled seven times last year.

National Parks Layoffs Will Cause Communities to Lose Billions
Thousands of essential park workers were laid off this week, just before the busy spring break season.

Retro-silient?: America’s First “Eco-burb,” The Woodlands Turns 50
A master-planned community north of Houston offers lessons on green infrastructure and resilient design, but falls short of its founder’s lofty affordability and walkability goals.

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Analysis: Cybertruck Fatality Rate Far Exceeds That of Ford Pinto
The Tesla Cybertruck was recalled seven times last year.

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Urban Design for Planners 1: Software Tools
This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.
Planning for Universal Design
Learn the tools for implementing Universal Design in planning regulations.
EMC Planning Group, Inc.
Planetizen
Planetizen
Mpact (formerly Rail~Volution)
Great Falls Development Authority, Inc.
HUDs Office of Policy Development and Research
NYU Wagner Graduate School of Public Service