The city of Portland is taking steps to remove roughly two-thirds of all Ash trees in the city to protect and preserve the rest of the ash trees. The removal is all part of ongoing efforts to ...

As the invasive emerald ash borer is projected to kill 500 of Portland’s 600 ash trees, diversifying the tree species aims to prevent a repeat mass die-off. “(Reiland is) trying to change or ...

They are striving to protect the state's remaining brown ash trees, and hope to harvest enough healthy trees in the meantime to supply future tribal artisans. Scientists and tribes are racing ...