Department of State
International Coordination on Climate
On May 1, 2026, the State Department announced it had successfully prevented approval of a global shipping carbon tax via a Net-Zero Framework during negotiations at the 84th session of the International Maritime Organization's Marine Environment Protection Committee. The Committee will examine alternative proposals that avoid a global carbon tax.
Second Trump Administration (2025-2028)
On May 1, 2026, the State Department announced it had successfully prevented approval of a global shipping carbon tax via a Net-Zero Framework during negotiations at the 84th session of the International Maritime Organization's Marine Environment Protection Committee. The Committee will examine alternative proposals that avoid a global carbon tax.
On October 10, 2025, the State Department announced that the United States would refuse to agree to the International Maritime Organization's “Net-Zero Framework," which would impose a global carbon tax for greenhouse gas emissions from ships. In the announcement, the United States threatened to retaliate against any country that voted for the framework.
On April 24, 2025, Secretary of State Marco Rubio reportedly announced that the State Department would eliminate the Office of Global Change, which is responsible for the overseeing the United States' international negotiations on climate change action.
On April 22, 2025, Secretary of State Marco Rubio reportedly announced that the State Department would eliminate the Office of the Special Presidential Envoy for Climate, which led U.S. diplomacy on climate with a particular focus on the annual talks on progress towards the Paris Agreement goals.