What to know about the plastic pollution treaty talks in South Korea

A last round of negotiations on a legally binding treaty to address the global scourge of plastic pollution has opened in Busan, South Korea. Here's what to know about it:

National delegations still have a lot to hammer out before there is a treaty. Most contentious is whether there will be a limit on the amount of plastic that companies are allowed to produce.

Led by Norway and Rwanda, 66 countries plus the European Union say they want to address the total plastic on Earth by controlling plastic design, production, consumption and what happens at the end of its life.