Legal scholar Gerald Frug appeals to designers, planners, and activists to understand better the legal structures that enable and constrain urban change.

Typecast is a long-term Architectural League study into architectural typologies that begins with a closer look at five "towers-in-the-park," one in each borough of New York City.

Samuel Stein argues against Major League Soccer's proposed stadium in Queens and asks "who exactly will benefit from yet another stadium in the park"?

Andy Reicher shares the history of UHAB, chronicling its evolution through 40 years of helping renters become owners.

An artist, community organizer, and social entrepreneur discusses museum-community partnerships, crowdfunding public art, and emerging trends in socially engaged creative projects.

Paul Parkhill discusses an ambitious initiative to develop affordable workspace for artists, touching on issues of real estate economics, neighborhood stabilization, and the evolving needs of a diverse urban workforce.

Theo Games Petrohilos shares a darkly comic vision of an imagined future where the sale of air rights for Manhattan properties develops into economic hysteria.

Urban planner Douglas Woodward analyzes the rules posted in privately owned public spaces to investigate some of the challenges involved in the private provision of public goods.

An exhibition at MoMA explores new architectural possibilities for cities and suburbs in the aftermath of the recent foreclosure crisis.

The idea was to allow for more light and air in dense, vertical areas, and to have developers give back to the city a little bit for what they were gaining by building bigger. But vague rules led to the creation of inaccessible, inhospitable spaces with little or no public benefit.