Negotiations on a treaty to end plastic pollution have concluded in Busan, South Korea without reaching an agreement.

Delegates from more than 170 countries attempting to negotiate a treaty to curb global plastic pollution ended a weeklong meeting in Busan early Monday without an agreement, pushing talks to another session next year.

Negotiators working on a treaty to address the global crisis of plastic pollution for a week in South Korea won’t reach an agreement and plan to resume the talks next year