‘A Hard No’: Mike Waltz Says U.S. Won’t Stand For UN Org’s Global Carbon Tax

Ambassador to the United Nations Mike Waltz made it absolutely clear on Thursday that the United States would not support the global carbon tax being pushed by the International Maritime Organization — and President Donald Trump voiced his agreement on the subject.

Waltz addressed the issue with “Fox & Friends” host Brian Kilmeade, and he said that the United States was also encouraging other nations to vote “no” on the new tax — and that there could be consequences for those that chose to vote in favor of the measure.

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As @POTUS and @SecRubio have made clear, the United States is a hard NO on @IMOHQ’s global carbon tax scheme that harms the American consumer. We’re calling on other nations to vote with us or face serious consequences. pic.twitter.com/uKX9dVeSK8

— Ambassador Mike Waltz (@USAmbUN) October 16, 2025

“This is a bigger deal than I think anybody realizes,” Waltz, a former Florida congressman and Green Beret veteran, told Kilmeade. He went on to say that others within the Trump administration — from Transportation Secretary Sean Duffy to Secretary of State Marco Rubio — were all in agreement that the new tax had to go.

“They have been loud and clear on this, the United States is a hard no,” he declared. “This would essentially put a global tax on everything that is involved in trade and then everything that goes on a ship … this is trying to drive carbon emissions from shipping to zero.”

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Waltz went on to note that the move would also subsidize certain biofuels — and would greatly benefit China because in order to retrofit ships to use the new fuels, businesses would have to work with Chinese shipyards.

Trump also weighed in on the issue with a post to his Truth Social platform, saying, “I am outraged that the International Maritime Organization is voting in London this week to pass a global Carbon Tax. The United States will NOT stand for this Global Green New Scam Tax on Shipping, and will not adhere to it in any way, shape, or form. We will not tolerate increased prices on American Consumers OR, the creation of a Green New Scam Bureaucracy to spend YOUR money on their Green dreams. Stand with the United States, and vote NO in London tomorrow!”

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— Rapid Response 47 (@RapidResponse47) October 16, 2025