Portland Parks & Recreation's Urban Forestry division is giving away 4,000 trees to local residents to plant on their ...
Some Portland neighborhoods’ tree-lined streets may suffer more than others from emerald ash borer
About 95,000 ash trees live in Portland, and most of them could become infected and die in the next few years with the recent arrival of the emerald ash borer, an invasive, tree-killing pest that’s ...
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