42 percent of Americans could be obese by 2030 - why aren't we doing more to fight this?
Sizing up the global clout of U.S. cities.
The Games have provided an unprecedented opportunity, not always welcome, for companies to attach their names to parts of the city.
Lately, America's leaders have talked a lot about the need to rebuild. Has it begun?
Turkey will open formerly protected land (much of it already illegally developed) to builders.
The science fiction writer discusses how technology is changing cities.
How offices and home spaces are changing to keep up with Generation Y.
61 percent of Americans have a favorable view of their local government.
The life-size sculpture is an advertisement for a new theme park.
Dutch people aren't born knowing the rules of the road. They're taught from an early age.
The best way to make cities greener might be teaching residents what that actually means.
We need places that foster positive human interaction, but they don't have to be urban.
A new report from the World Bank argues that a better financing system is needed to reduce emissions in China.
A designer in Copenhagen comes up with a solution to her city's trash problem.
Yet more evidence that your drive to work is making you unhealthy.
Activists should think beyond public subsidies.
A conceptual project turns a box of spaghetti into an ode to a New York skyscraper.
An orchestral flash mob serenades commuters.
The new documentary forces viewers to confront the city's rapid decline.