Science & EnvironmentInvasive emerald ash borer could wipe out Oregon’s ash trees. Here’s how you can helpBy Cassandra Profita (OPB)May 2, 2025 1 p.m.The easiest way to slow the spread of this beetle is to avoid moving firewood more than 10 miles.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