The United States did not send a delegation to the UN climate summit in Antalya, Turkey, where 197 countries are meeting — the second consecutive year of non‑participation. Under Trump, the US withdrew from the 2015 Paris Agreement, stopped dispatching representatives to annual UN climate meetings, said it no longer seeks to reduce greenhouse‑gas emissions, cut support for climate science and halted climate adaptation finance for vulnerable countries. Trump previously called global warming “the

The United States did not send a delegation to the UN climate summit in Antalya, Turkey, where 197 countries are meeting — the second consecutive year of non‑participation. Under Trump, the US withdrew from the 2015 Paris Agreement, stopped dispatching representatives to annual UN climate meetings, said it no longer seeks to reduce greenhouse‑gas emissions, cut support for climate science and halted climate adaptation finance for vulnerable countries. Trump previously called global warming “the greatest hoax in human history.” Some observers say a Democratic victory in 2028 could restore US engagement; former US climate envoy John Kerry said if current electoral trends continue the US could elect a leader committed to concrete climate action and that a cooperative US would be welcomed back to negotiations.