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.

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

Brazil announced details of its new climate change pledge late on Friday night that sets a target to lower the country's greenhouse gas emissions by 2035, which it will present during the United Nations climate summit COP29 in Azerbaijan,

This month's U.N. climate summit - COP29 in Baku, Azerbaijan - has been dubbed the "climate finance COP" for its central goal: to agree on how much money should go each year to helping developing countries cope with climate-related costs.

China has put trade talks onto the proposed agenda for the COP29 summit, a U.N. document showed, raising the prospect that the issue could disrupt the start of global climate talks. The draft agenda for this year's climate summit,

TENS OF THOUSANDS of people are gathering this week for a major climate conference that will try to get countries to agree on how to help the most vulnerable nations deal with the climate crisis. The 29th annual COP is taking place in Baku,