China and wealthy petrostates including Saudi Arabia and UAE are among countries receiving large sums of climate finance, according to an analysis. The Guardian and Carbon Brief analysed previously unreported submissions to the UN, along with data from the Organisation for Economic Cooperation and Development (OECD), that show how billions of dollars of public money is being committed to the fight against global heating. The investigation found a broadly functioning system that shifts capital from rich polluters to vulnerable nations, helping them clean their economies and adapt to a hotter…