Q&A: The shipping official at the center of Trump’s assault on a carbon tax

By Sara Schonhardt | 03/12/2026 06:13 AM EDT

The leader of the U.N. International Maritime Organization speaks about the president’s campaign to kill a net-zero initiative.

International Maritime Organization Secretary-General Arsenio Dominguez during a press briefing at the Marine Environment Protection Committee.

International Maritime Organization Secretary-General Arsenio Dominguez during a press briefing at the Marine Environment Protection Committee's October meeting. International Maritime Organization.

Arsenio Dominguez is leading the International Maritime Organization as it attracts the brunt of President Donald Trump’s attacks on global climate action.

Member countries of the U.N. organization adopted a strategy in 2023 to reduce greenhouse gas emissions from international shipping, aiming to zero out the industry’s carbon pollution around 2050.

Trump has personally assailed those goals. Mandatory measures that countries were set to adopt last October to help them meet what’s known as the IMO’s Net-Zero Framework included a fuel standard and a carbon fee.

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The vote was delayed for one year under pressure from American officials. Last month, a leaked diplomatic cable indicated that the Trump administration wants to kill the framework permanently.

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