The UN climate talks here are in extreme difficulties, delegation sources said Saturday, and one suggested the parlay could collapse without a deal.
A European source, speaking on condition of anonymity, said the European Union (EU) was deeply pessimistic and there seemed little prospect of any breakthrough despite last-minute haggling by ministers.
"I think the talks are on the verge of collapse. It's over the precipice and hanging over the edge," Greenpeace's campaign director on climate policy, Bill Hare, added.
Negotiations to complete the ambitious 1997 Kyoto Protocol on global warming ran throughout the night and were scheduled to conclude later Saturday.
The talks have been hamstrung by a deep dispute between the EU and the United States on how to cut emissions of greenhouse gases -- the byproduct of burning oil, gas and coal.
These gases are blamed for causing the heat from the sun to be stored in land masses and the oceans, provoking a gradual but potentially catastrophic effect on the world's weather systems, scientists say -- THE HAGUE (AFP)
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