Getting to the bottom of a mysterious streak of purple cropping up along Manhattan’s eastern edge.

Buildings are responsible for two thirds of greenhouse gas emissions in New York City. Can tenants, landlords, and environmentalists finally get together to make them more efficient?

From deadly explosions to silent climate warming emissions, the contemporary troubles of the city's gas infrastructure have roots in the tumult surrounding its installation more than a century ago.

Residents recall a decade of upheaval in the East New York Oral History Project.

Paint-scribbled sigils mark the spots where pipes bear natural gas — more now than ever — to stove tops and turbines. But what does this trend mean for public safety and climate change?

Where do the street trees come from, and where does the compost go? Rikers Island was the city’s growing outpost for years. But does “greening” the prison always improve things for prisoners?

We seek a writer to explore and interpret the contemporary urban landscape where highways meet gas wells, herons, and kayakers.

A housing court case can make the difference between safe at home and out on the street. Jenny Laurie of Housing Court Answers explains how it works and what throws the scales of housing justice out of balance.

The Riders Alliance floods the city’s subway stations and bus stops, organizing normally disengaged riders to fight for better public transit.

Climate change is real, and happening now — but exactly what that means for coastal cities is surprisingly uncertain. Engineers at Princeton’s Form Finding Lab choose flexibility over fortification to protect coastal cities from flooding.