Brazil’s President Luiz Inácio Lula da Silva said he is prepared to call his American counterpart if negotiations on U.S. tariffs do not go forward in the near future.

Trump’s close ideological ally, President Javier Milei of Argentina called human-caused climate change a “socialist hoax,” threatened to quit the Paris Agreement and pulled Argentine negotiators out of last year’s summit in Azerbaijan as part of what he described as a reassessment of climate policy.