Which cities eat up the most gas? Mint.com has the lowdown on how often their users buy gas every month, and how much they spend (click for a larger infographic).
The celebrated urban planner's ideas are still highly relevant to today's thinking about communities and sustainability.
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.
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.
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.
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 …
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?
Walk Score has announced its 2011 list of most walkable cities, with a twist -- this year there's also a "fan favorite" category, where you can vote for what city you think is the easiest to navigate on foot.
Okay, we know YOU ride your bike everywhere. But the country’s 4 million miles of roads, and 50,000 miles of interstate highway, probably aren’t going anywhere any time soon. Isn’t there anything productive we can do with this giant car …