No one left this year’s United Nations climate conference happy, but the talks were still an important marker.

A representative for Cuba, which has suffered from devastating hurricanes, noted the pledge of $300 billion represented less than the previous goal of $100 billion agreed more than a decade ago, taking into account inflation.

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.