Urban acupuncture for a healthier city

Small-scale green spaces -- not huge, expensive projects -- are a good way to heal our cities.

Why doesn't the U.S. government allow teleworking when it's hot?

Feds are allowed to stay home when it snows, but not when it's so hot that the pavement is literally melting. Wha?

Which cities pay the most for gas?

Which cities eat up the most gas? has the lowdown on how often their users buy gas every month, and how much they spend (click for a larger infographic).

Jane Jacobs on neighborhoods, placemaking, and active living [VIDEO]

The celebrated urban planner's ideas are still highly relevant to today's thinking about communities and sustainability.

Pedestrians and transit riders come last [VIDEO]

More people living in the suburbs are poor and without cars. But autocentric street design means you risk your life getting around any other way.

In Baltimore, Zipcar users take fewer car trips

Baltimore is an old, industrial city with old, car-focused transportation infrastructure. But add a little Zipcar in, and Baltimore residents suddenly get a lot more gung ho about walking, biking, and taking the bus.

NYC Mayor Bloomberg gives $50 million to fight coal

Michael Bloomberg has always wielded his power as mayor of New York to fight climate change, but now he's putting his personal fortune where his mouth is.

Critical List: Operators say the grid can handle the heat; green tech investment down

Grid operators say they're ready to handle the extra load that air conditioners and other cooling devices will put on electricity supplies during the heat wave. Venture capitalists invested less money on green tech projects last quarter; they're hot on …

When design kills: The criminalization of walking

A child is struck by a driver and killed when crossing the street on foot with his mother -- and she is the one who is charged with vehicular homicide. Why is normal, instinctive pedestrian activity criminalized?