Billed as the "finance COP," the 29th UN climate change summit (otherwise known as COP29) in Baku, Azerbaijan, was expected to provide the money to enable the transition away from fossil fuels announced at last year's COP28.

This year's U.N. climate summit delivered a deal on climate finance two days past deadline, after two weeks of tense negotiations. The summit's main agenda item - setting a new annual target for global climate finance - had nations wrangling for two weeks.

At a climate summit in Baku, Azerbaijan, pre-industrial nations stood firm and demanded more money from the U.S., Europe and other wealthy regions to help them not go down the slippery fossil fuel route for their own growth.