A global treaty to curb plastic pollution will be secured at a summit in South Korea next month, the chair of the talks pledged Wednesday, although he cautioned there were still complex disputes and the time frame was a "big challenge".
Ecuador's Luis Vayas Valdivieso said the clock was ticking if nations are to seal a potentially groundbreaking agreement at final UN-convened talks in South Korea late November, adding that divergences remain between countries.
