Los Angeles

Reuters/Kimberly White

The Math Behind Sacking Disposable Bags

How a variety of policies aimed at reducing the environmental impact of shopping bags are working

Photo by Flickr user functoruser, used under a Creative Commons license

The War on Red-Light Cameras

Houston and L.A. recently turned theirs off. Will others join them?

Alternative Apparel/Stephen Zeigler

Urban Gleaning Goes Mainstream

Organizations across North America are reclaiming a bounty of fresh fruit

Flickr user: DaveFayram, Creative Commons

Is Bicycle Commuting Really Catching On? And if So, Where?

A survey of 55 major U.S. cities shows big gains in many places, but plenty of regional variation

Courtesy Marmol Radziner

Trailer Parks as Models for Affordable Housing

Santa Monica's new breed of mobile homes are stylish and sustainable

Courtesy California High-Speed Rail Authority

The Future of California's High-Speed Rail Is in Private Sector Hands

With cost estimates rising, a commitment of additional state funds for high-speed rail seems all but impossible

Courtesy Brookings Metropolitan Policy Program

The Metropolitan Moment

Urban communities represent the true economic geography

State of Play: Playground Infrastructure in 20 Major U.S. Cities

Which major U.S. cities provide the best, and worst, mix of playgrounds for their youngest residents?

Courtesy NASA Visible Earth catalog

Defining Cities in a Metropolitan World

Eight different ways to measure and think about what makes a city

Photo Flickr user irontones13, used under a Creative Commons license

Urban School Reform as Housing Policy

The link between schooling and place isn’t going away any time soon