IMO Postpones Vote on Net-Zero Framework After Heated Debate

IMO Net-Zero
Credit: IMO/Flickr

The International Maritime Organization (IMO) has voted to postpone for one year the adoption of its Net-Zero Framework after one of the most contentious meetings in the organization’s history, The Maritime Executive reports. The plan, which was designed to set a unified global standard for decarbonizing international shipping.

Originally introduced in April 2025, the framework aimed to create the world’s first industry-wide carbon pricing mechanism and establish a global approach to cutting greenhouse gas emissions at sea. Supporters, including the European Union, China, and the United Kingdom, called it a critical step toward climate accountability and regulatory clarity.

However, fierce opposition led by the United States, Saudi Arabia, and Russia derailed the vote. Washington labeled the proposal a “green tax” that would harm trade and consumer interests, while other nations warned it could undermine competitiveness. Behind the scenes, delegates described days of intense lobbying and diplomatic pressure, making it clear the measure lacked the support needed for adoption.

The final count saw 57 countries favoring a delay and 49 opposing it. IMO Secretary-General Arsenio Dominguez acknowledged disappointment but urged members to continue working toward consensus. U.S. officials, meanwhile, celebrated the result as a major win.

Environmental organizations and much of the maritime sector reacted sharply, calling the delay a setback for climate action. The International Chamber of Shipping warned that regional regulations may now emerge, creating a fragmented system. The IMO is expected to revisit the framework in 2026 during its next Marine Environmental Protection Committee session.

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