ABC News joined The Arbor Day Foundation and the Altadena nonprofit Amigos de los Rios to discuss replanting and preserving ...

A suspect was arrested after surveillance video and community tips led police to a man they say used a chain saw to cut down ...

L.A.’s fragile urban canopy was dealt a vicious blow this weekend when a chainsaw-wielding vandal cut down a number of shade ...

In the largest study of its kind, researchers at the Florida Museum of Natural History have used data from a 120-year-old ...

In the fall of 1949, the City of Palm Springs dedicated 308 palm trees in an official ceremony. The community had worked diligently to acquire and plant the palms along the drive at the entrance to ...

The Jeffrey pine, one of the iconic trees of the Sierra Nevada, appears to have eclipsed other pines to become the ...

Tiny seedlings will soon be used to replace trees burned during those devastating wildfires. Cal Fire has a reforestation ...

local nurseries continued to grow and sell tallow trees as ornamentals. As many as 300,000 were grown in Houston during the 1980s. The species was also introduced to California as a shade tree.

A UC Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the ...

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.