Where street trees have gone missing, sculptural assemblages punctuate the pavement.

New York City's street trees help cool pavement, filter air, buffer against storms, and improve moods. The arborists of NYC Parks are working to distribute those benefits as widely as possible.

Less conspicuous and permanent than statues or sculptures, New York City’s memorial trees register histories that are personal, passed over, or in progress, from intimate loss to climate catastrophe.

Photographs of Prospect Park’s unsanctioned constructions simultaneously suggest traces of past settlement and the start of a new civilization. Behind the scenes is a struggle for ecological succession among salamanders, kindergartners, and park management.

Along the Brooklyn-Queens border, 50 acres of abandoned water infrastructure have gradually transformed into a unique wetland ecosystem. What's in store for the Ridgewood Reservoir?

An artist and a historian talk trees: What they mean, and what it takes to get city-dwellers to see them clearly.

What’s lost when the value of city trees is reduced to the “environmental services” they provide?

With so much of value under threat from rising seas and flooding rains, recent books reconsider our relation to the water’s edge.

Our inaugural Urban Wild Writer in Residence reports from the four mounds of the future Freshkills Park.

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?