CNN  —  This year’s UN climate summit in Baku, Azerbaijan kicked off with a fulsome celebration of fossil fuels, praised by the country’s president Ilham Aliyev as a “gift of God.” It ended with a climate finance deal developing countries called an insult, a joke and a betrayal . The question at COP29 was how much wealthy countries, most responsible for the climate crisis, owe poor countries facing the worst impacts. The answer: $300 billion a year by 2035. Rich countries said it was the best