Ban Ki-moon, secretary- general of the UN, has warned that “grave economic troubles” and political divisions meant a new global climate treaty may be “beyond our reach”, darkening the mood at international climate talks in South Africa.
“We must be realistic about expectations for a breakthrough,” said Mr Ban. “The ultimate goal of a comprehensive and binding climate change agreement may be beyond our reach – for now.”
His admission capped a day of rising tension at the talks, where familiar suspicions between wealthy and emerging economies began spilling into the open.
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