Ohio and Pennsylvania programs aim to stop the spread of the invasive Callery pear tree, which has taken over the two states and threatens native species.

If you’re adding a tree in the coming weeks, here’s a seven-step rundown on the current, generally accepted process used by ...

The Eaton and Palisades fires likely made polluted soils worse, but soil experts say bioremediation may be an alternative to ...

Los Angeles authorities have arrested a man suspected of using a chainsaw to cut down several trees along streets across the ...

Detectives in the Pacific Northwest are using new forensics technology to track down timber poachers and save old-growth ...