A proposed 100-mile transmission line could be built under the Columbia River. Environmental groups and tribes say they have concernsBy Courtney Flatt (Northwest Public Broadcasting)June 2, 2026 1 p.m.📨 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
