science environmentPuget Sound's Southern Resident Orca Population Drops To 30-Year LowBy Eilis O'Neill (OPB)Seattle Sept. 26, 2017 9:05 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