The United Nations confirmed that it had received a formal notification from the US government concerning its withdrawal from the Paris climate change agreement.The letter was received at the UN headquarters in New York, according to Spokesperson for the UN Secretary-General Stephane Dujarric.’I can confirm to you that the United States has notified the Secretary-General, in his capacity as depositary, of its withdrawal, on 27 January of this year, from the Paris Agreement which,’ Dujarric said.He noted that according to Article 28, paragraph 2, of the Paris Agreement, the withdrawal of the United States will take effect on 27 January 2026.’We reaffirm our commitment to the Paris Agreement and to support all effective efforts to limit the rise in global temperature to 1.5 degrees Celsius,’ he added.On his first day back in the White House, Trump announced the United States would leave the accord.