Banned from residences for more than half a century, lead paint still poisons thousands of children a year in New York City. Who is responsible for ensuring healthy homes for all?

The balance between New York City's public and private pools has shifted dramatically in recent decades. Why has so much city swimming retreated into towers or behind fences?

Encouraging New Yorkers to probe the mysteries of the material beneath their feet, the Urban Soils Institute is moving knowledge of urban soils outside the domain of science and into the hands of communities.

Viewed from the perspective of its raw material, Manhattan’s brassy Seagram Building illuminates architecture’s massive energetic and social consequences.

The material flows that feed Manhattan's iconic public spaces reveal "reciprocal landscapes" whose fates are tied together by fertilizer, pavers, and planks.

From small and ubiquitous markers to massive bespoke steel numerals, this longstanding Greenpoint signage company helps New Yorkers navigate the city.

Two hundred years of environmental change have meant both destruction and conservation of the most interesting river in America.

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

Density and displacement aren’t just problems for the living.

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?