Georgina RannardClimate and science reporter, Belém, BrazilShutterstockBrazilian President Luiz Inacio Lula da Silva speaks during the opening of the COP30 conferences in Belem, Brazil.The world must "defeat" climate denialism ...

23 hours agoBy Robert Plummer, BBC NewsGetty ImagesLula's Brazil is keen to promote the Brics, but it is dwarfed by Xi Jinping's ChinaIt's been more than a year-and-a-half since Brazil's Luiz ...