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.

MoMA hosted a panel discussion to mark the end of the Rising Currents exhibition

What if sewers no longer overflowed when it rained? Kate Zidar talks about designing for stormwater management and why it is crucial to our health, our waterways and our city.