Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...
As the snow falls, trees and shrubs in your landscape can suffer. Here are some tips to help prevent damage to your plants.
On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave ...
Researchers find that microbes on tree bark can alter greenhouse and toxic gases, shaping climate and air quality beyond ...
The ash trees in the Columbia park are brittle and at risk of falling after dying from infestation by the emerald ash borer.