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Seth Wenig/Associated Press

The Poor Will Always Be With Us. But Where Will We Let Them Live?

The "poor door" controversy on Manhattan's Upper West Side is only the most outlandish example of New York's uphill battle on affordable housing. 

Stein Tronstad

Thanks to Us, Antarctica Has Lead Poisoning

Industrial pollution reached the South Pole long before the first explorers arrived there in 1911.

Alexander Boden/Flickr

A Special Urban Brand of Melancholy? Best #Cityreads of the Week

A roundup of the best stories on cities and urbanism we've come across in the last seven days.

WMATA

From 'Controlled Regional Growth' to Dancing on the Silver Line: D.C. Metro Promotional Videos Through History

As WMATA's newest rail line debuts, a look back at videos from the early days of Washington's transit system.

Alexander Gerst/NASA

Putting Gaza in Focus—From Space

An astronaut aboard the ISS takes a photograph capturing the violence raging on one part of Earth.

Yildiray Cinar/Marvel

Iron Man Should Move to Cleveland, Not San Francisco

The Armored Avenger is moving to the Bay Area in an upcoming comic series, but he could do more for the people of Northeast Ohio.

U.S. Army photo by Spc. William E. Henry, Indiana National Guard

What Will the U.S. National Guard Actually Do at the Texas-Mexico Border?

Texas Gov. Rick Perry has dispatched 1,000 troops to help address the child-migrant crisis at the border. But will they interfere with systems already in place?

Flickr/Boston Public Library

Why You Shouldn't Mock Suburbanites Who Say They're From the City

People have all kinds of reasons to use proxies for the place they're "really" from. So have an open mind.

Flickr/JD

London's Tube Is Dangerously Hot, and the City Can't Do Much About It

Temperatures inside trains have climbed above government guidelines for safely transporting livestock. But narrow tunnels leave few options for modern climate control. 

Japan Pool/AFP/Getty Images

Here's How American Scientists Plan to Prevent the Next Nuclear Disaster

Updated design, safety protocols, and job training will help U.S. plants prepare. But improvements are "ongoing" and hard to quantify. 

(Flickr/peterhellberg/Mark Byrnes)

What Happens When Every City Has a Giant Ferris Wheel?

Observation wheels are reaching the point of ubiquity in tourist capitals. Is this trend ever going to slow down? 

Adam Dale/North Carolina State University

Urban Heat Islands Are Helping Kill Trees

The warmer conditions cities create make plant-eating pests thrive.

Ministry of Transport Singapore/Flickr

Singapore's Early Morning Free Transit Program Has Been a Huge Success

Encouraging commuters to leave earlier has made for less crowded trains during the peak.

Flickr/thisisbossi

By 2060, the American South Could Be Three Times as Urbanized

Here comes Charlanta the Gargantua.

Carlos Barria/Reuters

Black Homeowners Are Worse Off Today Than They Were 40 Years Ago

A new study finds that African Americans are dramatically more likely to transition back to renter status than whites.

Andy Warhol, Empire, 1964/The Andy Warhol Museum

Andy Warhol's Film 'Empire' Turns 50

Celebrating one of the world's most famous skyscrapers on the day an equally famous artist filmed it. For a long, long time.

Christopher Swope/Citiscope

Medellín Made Urban Escalators Famous. But to What End?

The results of a three-month study on the economic and social effects of the Colombian city's iconic intervention. 

Slow Factory

Cities from Space, on Stunning Silk Scarves

Wearable satellite images of Paris, London, and New York. 

Christine Pulliam/CfA

Could Extraterrestrial Pollution Be a Sign of Life in Space?

A novel approach to the search for intelligent (or not so intelligent) beings.