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Mesmerizing Animation of the Day: The Rise and Fall of a Paper City

As this video shows, an urban space is beautiful, complex, and fragile.

The Difference Between Chapter 9 and Other Types of Bankruptcy

Detroit is activating a specific section of the U.S. bankruptcy code that applies to municipalities.

Why Is the Baltimore Harbor Suddenly Murky White and Full of Dead Fish?

A mysterious (and disgusting) change in the appearance of the harbor water has locals scratching their heads.

Read the City of Detroit's Full Bankruptcy Filing

The city filed for Chapter 9 protection Thursday, the largest U.S. municipality ever to do so.

Go Ahead, Try Drawing an Outline of the Midwest on a Map

No one quite agrees on what counts as America's "Midwest," but its pattern of urbanization is one of a kind. 

If You Can't Bring the Beach to the City, Bring the City to the Beach

Kids from one of San Francisco's toughest neighborhoods find joy in the surf.

Victor Gruen Wanted to Make Our Suburbs More Urban. Instead, He Invented the Mall

How we ruined Gruen's plan for more walkable, tight-knit American downtowns.

'Blue Paint Is Not Enough'

London's bicycle advocates say they're fed up with a city government that promotes cycling but isn't serious about safe bike infrastructure.

Why Madrid Should Host the 2020 Olympics

Istanbul is everything the Olympic committee wants -- and everything it fears. Tokyo is boring. Really, there's only one choice.

America's Leading Venture Capital Area Codes

A more fine-grained look at the geographic centers of start-up investment. 

A Philadelphia School's Big Bet on Nonviolence

In a desperately poor, dangerous part of town, Memphis Street Academy decided to ditch its metal detectors and focus on supporting students. Violence dropped by 90 percent.

How to Fund Transit Without Raising Fares or Cutting Service

Mark Aesch brings a private-sector mindset to public transportation — and so far it's working.

Making Cities More Bird-Friendly With Nesting Bricks

Aaron Dunkerton wants to aid Britain's threatened sparrows by sheltering them in the fabric of urban architecture.

Watch 10 Years of Public Transit Ridership Growth in This Blobby, Pulsating Map

In this unusual visualization, America's steady user rise is shown as a sea of swollen red discoids.

Is It Time to Bring Back the Boarding House?

Housing models that have long been banned in American cities could help make them affordable again.

Apocalyptic GIF Art of the Day: San Francisco Under 25 Feet of Water

What the West Coast would look like submerged under rising seas.

Disneyland's Terrible, Horrible, No Good, Very Bad First Day

On the anniversary of its opening, a look back at what Walt Disney called "Black Sunday."

Turns Out the CIA Really Is Trying to Control the Weather

Conspiracy theorists, rejoice! The Agency backed a $630,000 scientific study on controlling global climate.

With a New Curfew, Is Downtown Greensboro Telling Young Black People to Stay Away?

The city's redevelopment strategy is starting to pay off, but some familiar tensions have followed.