On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave ...

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

In Finland, forest stands damaged by the European spruce bark beetle (Ips typographus) tend to concentrate in groups and form clusters, especially in mature Norway spruce forests close to previous ...

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

Mar. 29—Every year, John Formby spends weeks flying in a plane above New Mexico's forests, looking for trees with signs of insect damage and stress from heat and drought. The state forest health ...

Insects and drought are taking an increasing toll on Colorado’s forests, challenging the long-term sustainability and resiliency of the state’s roughly 24.5 million acres of forest, a new report says.

(CBS4) --State and federal forestry experts emphasized the weakening of trees due to drought conditions while presenting their latest observations made during an aerial survey of Colorado and Wyoming ...

Lately, visitors to the Koli National Park have been met with a sight of dead trees in the nature reserve. Global warming is contributing to increasing forest damage in Finland and elsewhere in the ...