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.

More than 40,000 people are expected to attend the global climate change summit as questions swirl about the United States' future involvement.