Science & EnvironmentInvasive emerald ash borer has reached Portland, dooming ash treesBy April Ehrlich (OPB)Sept. 10, 2025 5 p.m. Updated: Sept. 10, 2025 11:02 p.m.THANKS TO OUR SPONSOR:Become a Sponsor📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up
