BUSAN: A final round of talks on a treaty to end plastic pollution opened on Monday (Nov 25), with the diplomat chairing the difficult negotiations urging nations to "meet an existential challenge". The meeting opens just hours after a chaotic end to the COP29 climate talks in Baku, which agreed to a boost in climate funding that developing countries slammed as insufficient. "This conference is about far more than drafting an international treaty," Ecuadorian diplomat Luis Vayas Valdivieso told