A fifth round of talks aimed at securing an international treaty to curb plastic pollution had seen slow progress as the halfway point approaches, delegates said on Wednesday, fuelling doubts that a deal can be reached by a Dec.

A last round of negotiations on a legally binding treaty to address the global scourge of plastic pollution has opened in Busan, South Korea.

Negotiators are gathering in South Korea in what’s billed as a final push to address the global crisis of plastic pollution