DOHA - A row over who will pay for dealing with the accelerating impact of climate change soured UN debate in Doha, where a final day of haggling was expected to do nothing to curb greenhouse gas pollution.
The two-week talks are meant to end on Friday, under the leadership of the Middle Eastern oil-and-gas power Qatar, which has the world's highest per-capita emissions.
UN climate conferences, bringing together nearly 200 nations, are notorious for missing deadlines - a lack of urgency in stark contrast to mounting scientific evidence that global warming is worsening.
Many attending the Doha talks said 4 degrees Celsius of global warming looked almost inevitable and the opportunity to limit the temperature rise to the 2 degrees scientists say would prevent the worst consequences is all but lost.
"The question of climate management is extremely serious," Laurent Fabius, France's foreign minister, told reporters.
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