AdvertisementA Massive Floating Boom Is Supposed To Clean Up The Pacific. Can It Work?September 11, 2018Laurel WamsleyfacebookEmailA nearly 2,000-foot-long tube is towed offshore from San Francisco Bay on Saturday. It's a giant garbage collector and the brainchild of 24-year-old Boyan Slat, who aims to remove 90 percent of ocean plastic by 2040. (The Ocean Cleanup)