Researchers in Vermont infected 5,300 of the trees with a lethal dose of Dutch elm disease in hopes that the survivors can eventually help build a genetically diverse and disease-resistant population.

Add Yahoo as a preferred source to see more of our stories on Google. An elm tree appears undamaged at Seriina Covarrubias' house in Altadena. (Myung J. Chun / Los Angeles Times) The oak trees saved ...

It’s not uncommon for trees to be killed from damage suffered during construction. Depending upon the type of tree, its age and the extent of damage, the tree could die quickly or take years.

Bloomington wants to preserve trees — by cutting others down. A $20 million project partially funded by a local sales tax ...

Roughly 20% of surviving street trees have disappeared from Pacific Palisades and Altadena since the January 2025 wildfires. Local advocates say needless removals and inadequate watering are ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Western Joshua trees in California are increasingly threatened by changing climate conditions, including rising heat, increasing drought, more frequent wildfires, and by expanding renewable energy and ...

PORTLAND, Ore. (KOIN) — “I didn’t necessarily expect to end up in the toilet paper and paper space,” said Ryan Fritsch, the co-founder of Save Trees. But that’s what happened after Fritsch started ...

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. Homes and ...