By&nbspEuronews Published on 19/11/2025 - 11:30 GMT+1 •Updated 12:24 German Chancellor Friedrich Merz has triggered a diplomatic row with Brazil after making disparaging remarks about Belém, the host city of the COP30 climate summit he visited in early November. Speaking at a trade conference in Berlin following his return, Merz suggested neither he nor any of his delegation wanted to remain in the Brazilian Amazon city, singling out accompanying journalists.