Portland's sewer system combines sewage and runoff into the same pipes. Sometimes heavy rains cause those pipes to overflow. But a sewer overhaul 14 years ago has drastically reduced this pollution.

OPB will premiere a new historical documentary on February 25 called "Oregon's Black Pioneers," which explores the largely unknown history of African-Americans who have helped shape the state.

Morgan is chief content officer for OPB. He oversees OPB’s local content production on broadcast and digital platforms. He has been a reporter, assignment editor, producer, host and news ...