The International Maritime Organization is gearing up for historic decisions next week that could see the UN shipping regulator adopt a zero-carbon or net zero emissions target.

But as consensus builds towards adopting a more ambitious strategy at the close of the Marine Environment Protection Committee (MEPC) meeting next week, IMO delegations remained divided on the timeline for adopting the so-called midterm policy measures that could include a carbon levy or similar mechanism to tax emissions.

Discussions over what to do next will be crucial as the US, European Union, UK and others urge the MEPC to adopt interim targets next week that aim to slash greenhouse gas emissions by 37% in 2030 and by 96% in 2040.

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As a working group deliberates this week ahead of the key meeting, several nations’ delegations urged fellow member states to embark on an ambitious timeline for adopting midterm measures, which are also expected to include regulations that would limit the greenhouse gas footprint of fuels.

In the proposal demonstrating the most urgency, the Marshall Islands was joined by fellow Pacific archipelago nations Solomon Islands and Tuvalu to urge a carbon levy for shipping by 2025.

A representative for the Marshall Islands, whose name was not given, said on Tuesday that an impact study on midterm measures should start next week to be completed in time for the next MEPC meeting scheduled for April 2024.

Then at the meeting scheduled for autumn of next year, the IMO should adopt the chosen measures.

“The IMO is significantly behind where it should be in dealing with GHG emissions from ships,” she said, referring to greenhouse gas emissions. “All further delay can be measured in terms of escalating costs — escalating costs to the industry and to member states and to the most climate vulnerable and to future generations.

Adoption in 2025

Other countries are less ambitious. The US, UK, South Korea, Germany, Norway, the Netherlands and Sweden were among nations that voiced support on Tuesday for a timeline that would see midterm measures adopted in 2025, once an impact assessment is carried out, and for the new policies to enter into force in 2027.

While many IMO stakeholders have pointed to adopting a levy or another mechanism to put a price tag on carbon, the US has yet to get behind that measure, although several US officials have said that the administration of US President Joe Biden is open to discussion around a tax on greenhouse gas emissions. Instead, the US has voiced clear support for a fuel standard that would ratchet down emissions.

John Kerry, US special presidential envoy for climate, speaks at Nor-Shipping 2023. He called on the International Maritime Organization to adopt zero emissions by 2050. Photo: Nor-Shipping

A timeline targeting 2027 is too ambitious for other nations.

A delegate for China said the country is concerned about the proposed timelines. The official, whose name was not given, said the schedule needs to allow time for a comprehensive assessment of the impact of the proposed measures.

‘Problematic’ rush

“Rushing into decisions will be problematic so we have to be realistic in setting the timeline for the adoption of the midterm measures,” the delegate said.

Argentina IMO representative Fernanda Millicay, who was among the most outspoken during Tuesday afternoon’s discussions, called for a “not detailed” approach to the timeline.

She described a process in which IMO delegations were hesitant to take proposed measures off the table until a group of countries got together and proposed a basket of measures without assessing the negative impacts on some countries, fuelling worries of an energy transition that could deliver a blow to developing economies.

That resulted in a “huge divide” that she said is still being felt today.

Building bridges

“Many of us are trying to build bridges to end it, so we should avoid that scenario,” she said. “We would add that it is not possible to commit to dates regarding the adoption of measures without having an indication of how long it would take to design them.”

The delegate for the Cook Islands, whose name was not available, pointed out that a review of the IMO’s first round of decarbonisation regulations, known as the Carbon Intensity Indicator and the Energy Efficiency Existing Ship Index, is not scheduled to be complete until January 2026.

“We are not in a position to adopt the midterm measures,” he said.

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