The office of Gehry Partners was enlisted by River LA to master plan the 51-mile Los Angeles River.

Cities are finding new ways to invest in social infrastructure, helping to bridge gaps among diverse socioeconomic groups and foster a greater sense of community.

The trend toward urban living may be here to stay, but as residential towers rise higher and the amenities in buildings become more elaborate, people moving into cities are putting increased emphasis on connecting with the environment.

For years, urban planners have been redefining popular notions of city parks by converting unused, elevated rail lines into oases that offer a respite from the bustle of the city.

For the majority of its 51 miles, the Los Angeles River winds through the metropolitan area in a concrete flood-control ditch—a setting better suited for chase scenes in films like Grease and Terminator II than, say, a picnic lunch.

President John Quincy Adams broke ground on the 185-mile Chesapeake and Ohio Canal in 1828, spading the first shovel of dirt just across the District line.

In its recently released report on global inequality, Oxfam warned that the world is nearing unprecedented extremes of social inequality, and that power and privilege continues to be used to further skew the global economic system.

For what may be a brief moment in Los Angeles, planning is hot. Measure S, the slow-growth, anti-development initiative, failed at the ballot box but succeeded in one very big way.

There’s a lot to like about Chicago’s snazzy 606, the 2.7-mile greenway that slices through the Northwest Side, built on what used to be an elevated freight rail line.

Local aldermen want to curb gentrification along The 606 by making it more expensive to build homes along the trail.