The UN shipping body will consider measures to curb industry dominance, seen as a threat to its climate goals.
The International Maritime Organization’s (IMO) governing council agreed on Tuesday to set up a working group, in response to concerns raised by campaigners and backed by 12 countries.
A diverse coalition submitted a proposal ahead of the meeting, including major flag registries Liberia and Bahamas; oil and gas exporters Iran and the UAE; and developed countries Australia, Canada and Spain.