quiz time

The world's largest metro transit system is in …

After opening several new lines this year, it's got 282 stations and 420 km (261 mi) of lines, compared to 408 km in London and 368 km in New York.

Royal flush

New York City to curb sewage surges with green infrastructure

Mayor Michael Bloomberg has an ambitious plan to keep raw sewage out of the city's waterways.

Stop this train, they want to get off

Republican guv candidates line up to say no to federal stimulus money for rail

The creation of a modern rail network in the United States is becoming just another political football.

un-mall-ing America

Designer Bruce Mau on the suburbs, the mall, and the automobile [AUDIO]

Jeanne Park of PBS's Need to Know speaks with Mau about his love of the suburbs, cup holders, and the challenge of rebranding climate change.

Mosquito smackdown

Teen-repellent device removed in Washington, but teens still not welcome in many public places

Whether you do it with a Mosquito or with old-fashioned security guards, the routine dispersal of teenagers does raise issues about the nature of public space -- the vital essence of a dynamic and productive …


Seattle and Portland leaders don’t want to be ‘global’ mayors

Hopes were high for a "who's greener?" argument between Seattle Mayor McGinn and Portland Mayor Adams at a recent talk. Alas, the mayors played nice.

hugs, not smugs

Will bike for hugs [VIDEO]

Does the sight of swarms of cyclists in your city leave you feeling all warm and fuzzy too?

No vacancy

In the empty lots of Flatbush, students see possibility [VIDEO]

Middle school kids from Brooklyn turn a spotlight on their neighborhood's vacant lots.

Carless in Hollywood

'Mad Men' actor chooses transit over driving in autocentric Los Angeles

Mad Men's Vincent Kartheiser is a successful actor in Los Angeles who doesn't own a car. He doesn't drive because he wants to interact with others.