PORTLAND, Ore. ( KOIN) — Older trees in an Eastern Oregon forest are perishing “at an alarming rate,” according to ...

Portland’s much-maligned inspectors who enforce the city’s tree-cutting and pruning rules face a major shakeup that City ...

Portland's trees, whether heritage or street trees, are an asset to the city and to property owners.

Portland wants to plant 660,000 trees over the next 40 years and launch a citywide and city-managed street tree maintenance program that will take the financial burden off residents. A draft of ...

Flocked Christmas trees should be placed in the garbage while non-flocked trees get recycled, according to Portland's Bureau of Planning and Sustainability.

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 ...

Portland’s lush tree canopy isn’t distributed equally across all neighborhoods, however, and the city’s existing trees are struggling.

PORTLAND Ore. (KPTV) - Trees give us much needed shade during the summer, but how can you keep them healthy amid heat waves? “The first and foremost thing that I tell people is that their trees ...

How Portland picks its holiday tree – and keeps it from falling over Aesthetic and ecological impact are both factors when selecting the tree for Monument Square.

Two new pests in the Willamette Valley could decimate trees and worsen the ‘urban heat island’ effect that makes some neighborhoods hotter than others For years, Portland area politicians have ...

Oregon Portland area residents commemorate victims of deadly 2021 heat wave by planting trees More people died from the June 2021 heat in the greater Portland area than in the rest of OR over the ...