"The world’s largest maritime nations gathered in London on Tuesday to consider adopting regulations that would move the shipping industry away from fossil fuels to slash emissions.

If the deal is adopted, this will be the first time a global fee is imposed on planet-warming greenhouse gas emissions. Most ships today run on heavy fuel oil that releases carbon dioxide and other pollutants as it’s burned.

Nations are meeting at the International Maritime Organization headquarters through Friday. The Trump administration unequivocally rejects the proposal and has threatened to retaliate if nations support it, setting the stage for a fight over the climate deal."

Jennifer McDermott and Sibi Arasu report for the Associated Press October 14, 2025. [2]