(Reuters) Disagreements over how to help poor nations cope with everything from floods to rising seas pushed marathon UN climate change talks among almost 200 countries close to failure on Saturday.

The two-week UN meeting, originally due to end on Friday, was also struggling to agree on an extension of the UN’s Kyoto Protocol, which obliges developed nations to cut greenhouse gas emissions and will otherwise expire on December 31.

“Ambition is of the lowest and at the pace of the slowest,” Kevin Conrad, lead negotiator for Papua New Guinea, told delegates as talks stretched long past midnight.

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