Dramatic Population Growth Presents Opportunity to Reshape America's Urban Environment

To accomodate America's expected population growth by 2050, the country will need to build up to 74 million new homes. This challenge presents a unique opportunity to reshape our urban environment, says Enrique Penalosa, the former mayor of Bogota.

1 minute read

May 1, 2013, 7:00 AM PDT

By Jonathan Nettler @nettsj


"It is unlikely that city building on the scale to be seen through 2050 will happen ever again," says Penalosa. "Cities are a means to a way of life: the kind of urban structures created over the next few decades will have profound consequences in terms of quality of life, environmental sustainability, economic well-being, and even happiness and the civilization for hundreds of years to come. If we consider the influence American cities will exert on the rest of the world, the way they are built will determine, as well, much of the world’s sustainability and well-being."

Can high-density infill or traditional neighborhood development provide the model? "I don’t think so," he argues. "I believe a different urban model is possible: a dense city with a large percentage of buildings facing pedestrian-and-bicycle-only promenades or greenways."

"Some wonderful projects have been built in the past few decades—including Battery Park City in Manhattan and Harbour Green in Vancouver, British Columbia—without a road separating buildings from green spaces and waterfronts. But the challenge is to create not only high-quality isolated projects, but also whole cities with new characteristics."


Tuesday, April 23, 2013 in Urban Land

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Use Code 25for25 at checkout for 25% off an annual plan!

Redlining map of Oakland and Berkeley.

Rethinking Redlining

For decades we have blamed 100-year-old maps for the patterns of spatial racial inequity that persist in American cities today. An esteemed researcher says: we’ve got it all wrong.

May 15, 2025 - Alan Mallach

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

May 21, 2025 - Diana Ionescu

Rendering of California High-Speed Rail station with bullet train.

California High-Speed Rail's Plan to Right Itself

The railroad's new CEO thinks he can get the project back on track. The stars will need to align this summer.

May 19, 2025 - Benjamin Schneider

Flat modern glass office tower with "County of Santa Clara" sign.

Santa Clara County Dedicates Over $28M to Affordable Housing

The county is funding over 600 new affordable housing units via revenue from a 2016 bond measure.

1 hour ago - San Francisco Chronicle

Aerial view of dense urban center with lines indicating smart city concept.

Why a Failed ‘Smart City’ Is Still Relevant

A Google-backed proposal to turn an underused section of Toronto waterfront into a tech hub holds relevant lessons about privacy and data.

2 hours ago - Governing

Pale yellow Sears kit house with red tile roof in Sylva, North Carolina.

When Sears Pioneered Modular Housing

Kit homes sold in catalogs like Sears and Montgomery Ward made homeownership affordable for midcentury Americans.

3 hours ago - The Daily Yonder