The balsam woolly adelgid, a tiny nonnative flightless insect, is spreading across the American West killing subalpine fir in northern Utah's recreation-heavy mountain ranges and canyons. Rsearchers ...

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Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

Even in the absence of bark beetle outbreaks and wildfire, trees in Colorado subalpine forests are dying at increasing rates from warmer and drier summer conditions, found recent University of ...

ALTA, Utah — During an educational event at Alta Ski Resort, a certified arborist took skiers on a field trip to learn about the importance of protecting Utah’s trees. Ian Peisner led the "Trees and ...

Imagine yourself walking quietly through a high-elevation subalpine forest. You feel immersed in shady stillness while enveloped by a fresh scent of pine, spruce and fir. You gaze out at the trees ...

A nonnative tree-killing insect is invading northern Utah, attacking subalpine fir and potentially triggering yet another die-off of the region’s long-stressed conifer forests. Introduced from central ...

Even in the absence of bark beetle outbreaks and wildfire, trees in Colorado subalpine forests are dying at increasing rates from warmer and drier summer conditions, found recent CU Boulder research.