Henry Grabar joins subway historian Joseph Raskin on a tour of the G train, charting a history of proactive investment in infrastructure through the vestiges of uncompleted projects along its route.

Sarika Bansal investigates how local traditions of advocacy, a history of community tensions, and the chronic underfunding of public housing inform residents' opposition to a controversial new development proposal at Smith Houses.

Juliette Spertus discusses her exhibit - which combines infrastructure, New York history and alternative urban futures - about Roosevelt Island's trash collection system.

As oil spills into the Gulf, blood spills in the streets of Greece, and cash spills from terrorist wallets into the hands of willing airline agents, one wonders who can clean up this mess. We tell our children to clean up after themselves, but can we? Disciplining a child is a perilous affair, but in the end self-discipline is the challenge. Self-discipline requires introspection, but how much of it can we muster in a world careening towards 9 billion people?

If you follow Navy Street to Flushing and head north to Kent Avenue, you’ll see the scotch tape and wires that hold the city together. Then: Admiral's Row.

The Chicago Housing Authority has slowly been tearing down its Cabrini-Green public housing project, and as of yesterday another one of the buildings is gone.