It's kind of like a labor of love,” said Edward Lai. “If you're passionate about tree work and not just there for a job, you ...

The Pacific Northwest chapter of the International Society of Arboriculture hosts an annual regional tree climbing competition in a Portland park, where arborists can compete for the chance to ...

The body draped over the upper branches of the red oak does not move. An unseasonably warm November breeze frees leaves from the tree, fallen foliage swirling around the group that has gathered around ...