Heated negotiations on a global climate deal were set to spill into Saturday after developing nations rejected an initial US$250 billion offer from rich countries to help them tackle global warming . COP29 hosts Azerbaijan said negotiations would drag "over the course of the night" in the Caspian Sea city Baku to produce a final text. This will be put before nearly 200 nations for consensus approval on Saturday, not expected earlier than 1000am local time. The rejected proposal raised an