In the charred landscapes left behind by the Los Angeles wildfires, a persistent sign of life has transfixed locals: trees. On lots where houses have been reduced to piles of rubble and cars to ...

The oak trees saved the blue house on East Calaveras Street. Seriina Covarrubias was sure of it. When she had returned after the Eaton fire, much of the Altadena neighborhood was in ruins.

From microbes to four-legged critters, dead trees play an essential role in a forest’s ecosystem. Experts say it's rare that removal is necessary. Letting dead trees, like this bristlecone pine ...

Why some U.S. cities are so much greener than others. Ever since I first visited D.C., I was in awe of how full of trees it was. Rock Creek Park, one of the oldest city parks in the United States ...