States, cities and counties give away $80 billion per year, but that doesn't seem to create stronger economies or lower unemployment.
With car ownership falling, taxis are more important than ever.
Starting in 2013, Paris will shut off all neon lights between 1 and 7 a.m. Will it kill the city's famous nightlife?
That's pretty much all you could ask for in an artwork, right?
The city is redrawing its transit map without an expensive overhaul. Instead, it stitched together old, underexploited track.
By the late 1980s, many San Angelinos had given up on their Texas town. But an innovative program reminded them of their architectural heritage.
Wrapped in steel and plastic and surrounded by strangers, public transportation can be as soothing as a night out with friends.
It's by far the highest rate in the country.
Gay marriage became legal in Washington today. And some couples weren't wasting any time.
The work of the great Brazilian architect, who died Wednesday, continues to enchant and appall students of architecture and urban planning.
The thing is, we can all imagine a tragedy like the one in New York this week happening to us.
Rather than trying to lure major retailers onto certain sites, the city is creating places Pittsburghers want to go and hoping business will follow.
These maps track the movement of transit vehicles in various cities over the course of 24 hours.
Hot temperatures and droughts are pushing people into cities, often with disastrous consequences.
Also, an Indian town tries to prevent adultery by taking away women's phones and Washington, D.C., stops being so uptight about booze.
The trickiest reuse challenge yet.
Districts that stopped forcing schools to mix students by race have seen a gradual but significant -return of racial isolation, especially at the elementary level.
NASA has unveiled the most detailed nocturnal image of Earth to date, and it's a stunner.