By many measures, the effort to convert old elevated railway on Chicago’s Northwest Side into a signature park has been a smashing success.

Dallas voters could get a chance to decide this November whether to expand Klyde Warren Park.

Good news for Detroit bikers, walkers and general green-space lovers: The city has struck a deal with Conrail to purchase 76 acres of railroad property, which will be transformed into a bike and pedestrian-friendly greenway.

More than 2 million people have visited the Seoullo 7017 overpass in central Seoul as of Monday, and the Seoul city government is hoping to draw as many as 10 million visitors by the end of the year.

Each place puts its own spin on the problems and solutions, but there is a universality to the big, intractable struggles in American cities.

A new field guide takes listeners on a walk along one of the country’s most polluted waterways, where unexpected nature mingles with relics of industry.

Environmental and social resilience should go hand in hand: improving neighborhoods, spreading equity and taming water during catastrophes.

Can the banks along the notoriously polluted Gowanus Canal become a glittering new park attracting visitors from across the city?

Stark boundaries—rich vs. poor, black and brown vs. white—begin to break down as people share parks, trails, libraries, nature centers, and other gathering places.

The six-lane Innerbelt connector obliterated downtown Akron in the 1970s. Next summer, it’s going to be covered in trees.