La acción global contra el cambio climático, que ya es insuficiente, se ha visto debilitada de forma persistente por las medidas del gobierno estadounidense. El 7 de enero del 2025, el presidente Trump formalizó la salida de Estados Unidos de 66 organismos y acuerdos internacionales, de los cuales 31 estaban directamente relacionados con la protección al ambiente.

After more than 30 years of negotiations, the EU-Mercosur Free Trade Agreement was initially signed on 17 January 2026 (ratification). Almost 800 million people and more than 30 nations are involved in what will be one of the most important free trade agreements globally. However, the treaty is the subject of considerable controversy, with questions about whether the free trade agreement benefits all these people and whether they participate equally in it. Faced with a United States that uses tariffs as an aggressive trade policy, several countries are changing the direction of their trade, such as Mercosur, which has agreed to a free trade agreement with the European Free Trade Association