Trump tries to sink shipping talks with new climate attack

By Sara Schonhardt | 04/11/2025 06:31 AM EDT

The administration’s attempt to derail international talks on shipping emissions could reveal a more aggressive approach at undermining climate negotiations.

A cargo ship sails toward the Pacific Ocean after moving though the Panama Canal.

A cargo ship sails toward the Pacific Ocean after moving though the Panama Canal. Arnulfo Franco/AP

President Donald Trump says he’s done with international climate agreements that harm American wealth. Now he may be working to blow them up.

That was the underlying message in a letter the U.S. sent to countries participating this week in global negotiations to put a levy on shipping pollution.

The Trump administration called those talks “blatantly unfair” and urged countries to drop their support for a climate tax. It threatened “reciprocal measures” to offset any fees on U.S. ships if the measure is adopted by the International Maritime Organization.

Advertisement

It’s the latest move by the Trump administration to force other countries to bend to its will, and it sends a worrying signal that the U.S. might employ similar tactics in other international arenas, according to former U.S. officials and environmental advocates. Top among them is the COP30 global climate conference scheduled for November in Brazil.

GET FULL ACCESS