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Hello and welcome to NewsHour from the BBC World Service.
Coming to you live from our studios in central London, I'm Julian Marshall.
Climate change is the defining issue of our time.
And with the world on course to experience its hottest year on record, this is arguably a defining moment.
So much was expected of the just concluded UN Climate Summit COP 29 in Azerbaijan.
Developing countries, which are suffering disproportionately from the growing number of extreme weather events, had hoped for massive compensation from rich countries, historically the biggest emitters of the greenhouse gas emissions which go towards causing global warming.
Under a framework UN agreement, those wealthy countries are obliged to contribute to climate finance to help less developed countries tackle the consequences of global warming.
That figure currently stands at $100 billion a year, and although it was up to?
300 billion in Baku, it's been widely criticised for failing to meet the scale of the challenge.
Nonetheless, there was applause in the plenary session when a deal was finally reached after lengthy and often bitter negotiations that overran the scheduled end of the summit.
And addressing the negotiators, Simon Steele, Executive Secretary of UN Climate Change, conceded that the agreement was far from perfect while referencing next year's summit in Brazil.
No country got everything they wanted and we leave Baku with a mountain of work to do.