Fiji, June 22 -- United Nations climate chief Simon Stiell has warned countries against reopening previously agreed climate commitments and delaying action, as the UN June Climate Meetings concluded with major differences still unresolved ahead of COP31.

In his closing statement to delegates at the end of the two-week negotiations, the Executive Secretary of the United Nations Framework Convention on Climate Change (UNFCCC) said progress had been made in several areas but acknowledged that critical gaps remain, particularly on adaptation and mitigation.

"Sometimes history is progressed in moments. Through heavy choices, big decisions or pure chance. And sometimes it is made in rooms like these. Gradually, carefully, out of the spotlight...