Urban trees can lower local air temperatures by 8-12 degrees Celsius in Central European cities, and up to 12 degrees Celsius at pedestrian level through radiation blockage and transpiration. This isn ...

The D.C. area’s council of governments wants to get at least half of the region covered in trees. After years of shrinking tree cover, the Metropolitan Washington Council of Governments (COG) adopted ...

Cities are living organisms — constantly growing, shifting, and reshaping themselves around the people who inhabit them. But not all parts of a city grow evenly. One of the clearest indicators of ...

Vasef is the executive director of Friends of Trees, a nonprofit organization that has planted 900,000 trees and native shrubs in western Oregon and southwest Washington since 1989. The recent report ...

STATEN ISLAND, N.Y. — As advocates work toward their goal of attaining 30% canopy cover across the city by 2035, a new study tackled fundamental questions at the heart of the effort: How much canopy ...

On a gray January morning, in a muddy right-of-way near the Kentucky Exposition Center, a crew of contractors worked a half-dozen bald cypresses into the earth, part of a project in anticipation of a ...