US Weighs Tariffs If Global Ship Emissions Charges Are Approved

Sept. 3, 2025, 9:58 PM UTC

The US is considering imposing tariffs in response to an international proposal to charge ships for their carbon dioxide emissions to help fight climate change.

Reuters reportedearlier Wednesday that the US had threatened to impose tariffs, visa restrictions and port levies against nations that supportedproposed new rules from the UN’s International Maritime Organization, shipping’s global regulator, that aim to slash the industry’s future greenhouse gas emissions.

“We are actively exploring and preparing to act on remedies including tariffs, visa restrictions, and/or port levies should this effort succeed,” a US State Department spokesperson said in an email. “We ...

Learn more about Bloomberg Tax or Log In to keep reading:

Learn About Bloomberg Tax

From research to software to news, find what you need to stay ahead.

Already a subscriber?

Log in to keep reading or access research tools.