By Gloria Dickie and Kate Abnett (Reuters) -Nearly 200 countries will gather next week for the U.N. climate summit, COP29. Reaching a consensus for a deal among so many can be difficult. Here are some of the major players and negotiating blocs involved in the COP29 summit starting Nov.

The central focus of COP29 negotiations is on a bigger target for climate finance – the money rich nations provide poor nations to help with their energy transition and climate resilience.

COP29 begins with Trump expected to pull out of Paris climate accords It's being called, not for the first time, the "last-chance saloon". Leaders are gathering in the oil-rich nation of Azerbaijan for COP29.