Multimillionaire Graham Hill has taken a lot of heat since his New York Times column, but he's still out there trying to sell his "living with less" message.
San Francisco's sources of drinking water are threatened on multiple fronts.
An American Indian woman living in Cairo wants to take what she's learned and bring it back to North American reservations.
The NYPD's aggressive policy has come under increased scrutiny in recent months.
The latest research suggests the answer is yes.
A community bands together to call for change, but it's not clear what exactly needs to be done.
The NYPD is replacing the term "accident" with the word "collision," a change that underscores a new approach to bike and pedestrian fatalities.
"You always hear that information is power, and in this case it really is."
There is nothing subtle about Gut Renovation, Su Friedrich’s latest documentary. She's pissed and she wants you to know it.
Clothing label DKNY used photographer Brandon Stanton's images without his permission, but this story has a happy ending.
A New York City subway ride now costs a full dollar more than it did 10 years ago. A small group of activists are taking their frustration to the fare gate.
Even in walking cities like New York, the criminality of drivers who kill pedestrians is far from clear.
Design firm Street Plans Collaborative has started tracking informal street furniture, and you can help.
Peatónito is the alter ego of Jorge Cáñez, a 26-year-old political scientist in Mexico City.
A U.K. initiative paints a vivid picture of what can happen when families don't have to worry about passing cars.
"Mosques are being built in suburban communities only accessible by car."
Walkonomics looks at small things -- sidewalk quality, hilliness -- that make a real difference to walkers.
The People's Community Medics can turn anyone into a first responder.
Young people gather in New York to discuss the future of kids and their bicycles.