Kerri Culhane explains how geographical, historical and architectural factors make the Two Bridges neighborhood uniquely suited to realize the environmental, economic and social benefits of green infrastructure.

The founder of the New Amsterdam Market talks about the tradition and history of the public market as civic space, the role of the city in shaping our food systems, and the value, to our cities and our psyches, of cultivating small and local commercial enterprises.

A book about the Internet's physical infrastructure inspires a closer look at how fiber optic cables are woven — literally — into the city's fabric.

Two new elegant waterfront firehouses prompt a closer look at the Fire Department's Marine Operations unit, its unique architectural needs, cultural significance and essential function as part of the complex system of services that keeps the city safe.

David Vega-Barachowitz traces the origins of our entrenched notions of how streets should be used, and suggests an alternative future built on an ethic of shared responsibility and common sense.

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.

In the final selection from the Unfinished Grid Essay Competition, Annie Choi takes us on a neighborhood stroll that reveals the grid's subtle influence on our everyday experience of the city.

Another selection from the Unfinished Grid Essay Competition considers what two centuries of interpretation of Manhattan's street grid can tell us about ourselves.

Lawrence Stelter discusses his book on the 3rd Avenue Elevated, which combines a rich archive of his father's photography with a comprehensive understanding of New York’s public transit history.