The barge, which will be anchored in polluted rivers, is capable of scooping up to 50 tonnes of garbage per day floating downstream, said its inventor, 25-year-old Boyan Slat.

A new barge to collect trash on Pittsburgh rivers, Plastic Magnet 1, removed 82 tires and more than 4,800 pounds of plastic and other trash from the the Monongahela River during a recent river ...