"We are not making progress and I think we need to emphasise this," said Samuel Adejuwon of Nigeria, who bemoaned that the talks -- so close to the finish line -- were still focused on the "conceptual framework".
"I wonder if there will be any progress to report back at home," he told the plenary.
If not, "it might be difficult for me to justify sending delegates here again in October," he said.
Others, like the so-called Umbrella Group which includes Australia, the United States, Canada, Russia and Norway, said line-by-line negotiations would be too time consuming.
Co-chairman Ahmed Djoghlaf acknowledged that the session had so far not been sufficiently productive, and promised detailed, text-based negotiations "as soon as possible." afp