The United States has warned that it will impose sanctions and other punitive measures against any country that supports a proposed carbon tax on maritime transportation. The tax is part of the Net Zero Framework agreement, which seeks to cut global carbon emissions from the shipping sector, and it is slated for a vote by members of the International Maritime Organization (IMO) next week.
In a joint statement, U.S. Secretary of State Marco Rubio and his counterparts in the Departments of Energy and Transportation said the United States will “fight hard to protect our economic interests” by imposing costs on nations that back the proposal. The statement described the carbon tax as a “global carbon tax on the world” and asserted that the United States “unequivocally rejects” the Net Zero Framework.
The United States outlined a range of possible punitive actions for countries that vote in favor of the framework, including visa restrictions, blocking vessels registered in those nations from U.S. ports, and imposing commercial penalties. It also indicated it might consider sanctions on officials from supporting countries.
The threat comes amid a broader shift in U.S. climate policy under President Donald Trump, who has encouraged fossil‑fuel use through deregulation, withdrawn from international climate agreements, and rolled back domestic climate regulations. This stance has been controversial both domestically and abroad.
The IMO’s vote on the Net Zero Framework is significant because it could establish a global carbon tax on the shipping sector. As a major player in global trade, U.S. opposition to the proposal could have far‑reaching implications for its implementation. The outcome of the vote will be closely watched, as it may affect worldwide efforts to reduce carbon emissions and combat climate change.
In its statement, the United States warned it will “move to levy these remedies against nations that sponsor this European‑led neocolonial export of global climate regulations,” underscoring its strong opposition and willingness to protect its economic interests. The vote, expected next week, will have significant consequences for the global shipping industry and international climate‑change initiatives.
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