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Stefano Paltera/U.S. Department of Energy Solar Decathlon

Solar Decathalon 2011: This Year's Biggest Ideas

University teams bring their net-zero housing concepts to Washington

Courtesy Cleveland Department of Waste Disposal

Cleveland Doubles Down on Mandatory Recycling

Despite criticism, all city households will have garbage bins with tracking devices by 2015

Courtesy Sony Pictures

'Moneyball,' Oakland, and the Engineering of Victory

Is there a reason Billy Beane's story took place in the Bay Area?

The Rapid Growth of the Suburban Poor

2000s mark a turning point in the geography of American poverty

Flickr user ralphman, used under a Creative Commons license

Why Your Cell Phone Drops Calls in Dense Cities

With each advancement in network speed comes the need for more physical infrastructure

Courtesy UrbanChickenConsultant.wordpress.com

Meet the Urban Chicken Consultant

A Chicago woman has carved a business out of teaching residents there how to raise their own backyard poultry

A scene from Beijing in Gary Hustwit's "Urbanized"

'Helvetica' Director Gary Hustwit Takes on City Design with 'Urbanized'

The new film documents the problems and prospects of global urbanization

Courtesy The Brewery Project, LLC

A Green Neighborhood Brewing in Milwaukee

The seven-block, 20-acre The Brewery project is an environmentally sensitive restoration of the old Pabst Brewing Company

Jianan Yu / Reuters

China 'Cancels' an Entire City

Chaohu, population 4 million, technically no longer exists

An Eye on Megacities' Dirty Skies

New monitoring techniques are improving our understanding of pollution in the developing world

Photo by Flickr user lakerlkr8, used under a creative commons license

Toronto's Waterfront Moment

How the citizens of Toronto successfully stopped an unpopular redevelopment plan

Gary Toth

Removing Signals and Signs from Intersections Just Might Make Us Safer

The Shared Spaces theory has started to catch on in Europe, but will Americans ever buy it?

Photo by Flickr user functoruser, used under a Creative Commons license

The War on Red-Light Cameras

Houston and L.A. recently turned theirs off. Will others join them?

"(What's to be done?), Angry Sandwich People or In Praise of Dialectics," by Chto Delat

Civic Engagement as Art

A new exhibition explores the influence of public participation in society

Reuters/Mario Anzuoni

The Case for Strengthening Urban Property Rights

We'll never escape from NIMBY sentiments, but local governments can take steps to ensure everyone benefits from new development

Electronic Gaming for the Physical World

New games for mobile devices make the city their playing field

REUTERS/Jeff Christensen

10 Ideas for Improving New York's Public Spaces

From a pedestrian expansion of the Verrazano bridge to a new entrance for Central Park, the best concepts from this year's Urban Design Week

Alternative Apparel/Stephen Zeigler

Urban Gleaning Goes Mainstream

Organizations across North America are reclaiming a bounty of fresh fruit

Flickr user: DaveFayram, Creative Commons

Is Bicycle Commuting Really Catching On? And if So, Where?

A survey of 55 major U.S. cities shows big gains in many places, but plenty of regional variation