L.A.’s fragile urban canopy was dealt a vicious blow this weekend when a chainsaw-wielding vandal cut down a number of shade trees along South Grand Avenue and other areas of downtown, according to ...

Tens of thousands of mature street trees in Southern California are susceptible to a new, deadly fungal strain that kills at alarming speeds and threatens to destroy the urban forest in older cities ...

The usually peaceful surrounds of Queens Park appear to have been targeted by a serial tree poisoner, with a group of ornamental Ficus microcarpa trees falling victim. The trees, located near the ...

Add Yahoo as a preferred source to see more of our stories on Google. A woman walks around a felled tree along South Grand Avenue in downtown Los Angeles on Sunday. (Carlin Stiehl / Los Angeles Times) ...