Steve Duncan — historian, photographer and explorer — reflects on wastewater infrastructure, underground rivers, and the thrills and urban lessons he's discovered beneath the surface of cities.

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.

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.

Adam Lubinsky discusses a range of urban planning strategies and design opportunities to help get New Yorkers into the waters of the East River.

David Briggs and Anthony Deen share the winning designs from the first of a series of competitions that address the challenges of developing contaminated urban areas.

Carter Craft and Christina Sun explain how the use of short-distance, waterborne freight transport can improve the health, efficiency and landscape of New York City.

In a city of islands, who makes sure our waterways are safe and working? Cdr. Linda Sturgis and Lt. Cdr. Ed Munoz shed light on what it takes to manage and protect one of our most important assets.

New York’s Green Infrastructure Plan calls for capturing 10% of the first inch of rainfall through green infrastructure. What are the water-oriented environmental projects that will allow this goal to become a reality?

The Metropolitan Waterfront Alliance convened a diverse array of organizations and individuals to attempt to answer questions about the elusive idea of a collective vision for the New York-New Jersey Harbor.