US President Donald Trump addresses the 80th United Nations General Assembly, in New York City, on September 23, 2025. Read more Subscribers only Trump targets UN peacekeeping missions"What is the purpose of the United Nations?" "These are the two things I got from the United Nations: a bad escalator and a bad teleprompter," he said. The US president took a typically controversial stance on climate change too, calling it a "hoax" made up by "evil people." "Climate change – it's the greatest con job ever perpetrated on the world," said Trump.