Abandoned fishing gear, often called "ghost gear," is breaking down in our oceans and adding to the problems brought by plastics and microplastics. But there was a recent effort to get the United Nations to enforce tougher regulations, and a coalition announced new funding to remove some debris in the Gulf of Maine. Science correspondent Miles O'Brien reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders