Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

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 ...

Bark beetle damage has more than doubled for two consecutive years as warmer winters extend the insects' active season across ...

The ash trees in the Columbia park are brittle and at risk of falling after dying from infestation by the emerald ash borer.