Diplomats at a United Nations conference in Busan, South Korea, failed to reach agreement on the world’s first treaty to tackle plastic pollution on Sunday. They said they would reconvene in future months to try again.

A summit many hoped would yield a landmark treaty to tackle a global plastic pollution crisis ended in disappointment after oil- and gas-producing countries pushed back on limiting production

As the last negotiations for a global plastic treaty begin in South Korea, countries are divided over whether to cap production of the ubiquitous material.