Historic Global Carbon Tax Approved for Shipping

In a groundbreaking move, India has joined 62 nations in endorsing the world’s first global carbon tax on the shipping industry. This decision, made by the United Nations’ shipping agency in London, aims to significantly reduce greenhouse gas emissions from maritime activities. Set to take effect in 2028, the tax introduces a pricing mechanism that compels ships to either adopt low-emission fuels or incur fees based on their pollution levels.

A Landmark Decision for Climate Action

The carbon tax was established following a week of intense negotiations at the International Maritime Organization (IMO). This initiative represents a pivotal moment in global climate policy, marking the first time a comprehensive carbon pricing framework has been applied to an entire industry. The tax is projected to generate up to $40 billion by 2030, funds that will be exclusively allocated to decarbonizing the shipping sector.

Despite the positive reception from many environmental advocates, the agreement has faced criticism for not addressing the climate finance needs of developing nations. Critics argue that the funds raised will not support broader climate adaptation or loss and damage efforts, leaving vulnerable countries without necessary resources to combat climate change impacts.

Emission Reduction Goals and Challenges

The newly adopted framework aims to reduce shipping emissions by 10% by 2030, which falls short of the IMO’s own target of at least 20%. Under this system, ships will be taxed based on their emission intensity. For instance, vessels using traditional fuels will incur a fee of $380 per tonne for the most polluting emissions and $100 per tonne for emissions that exceed established thresholds. This phased approach is designed to gradually discourage the use of fossil fuels, including liquefied natural gas.

While the agreement has been celebrated as a significant advancement, it has also drawn criticism from various quarters. A coalition of over 60 countries, primarily from the Pacific, Caribbean, Africa, and Central America, expressed disappointment over the lack of provisions for broader climate finance needs. Many of these nations are particularly vulnerable to the effects of climate change, such as rising sea levels and extreme weather events.

Opposition from Oil-Rich Nations

The vote saw support from India, China, Brazil, and numerous other nations, while several oil-rich countries, including Saudi Arabia, the UAE, Russia, and Venezuela, opposed the measure. Notably, the United States delegation did not participate in the negotiations and was absent during the final vote. This absence raises questions about the future of U.S. involvement in global climate initiatives.

Tuvalu, representing the Pacific Island nations, criticized the lack of transparency in the negotiations and highlighted that the framework does not provide sufficient incentives for a transition to cleaner fuels. Vanuatuโ€™s Minister for Climate Change, Ralph Regenvanu, accused fossil fuel-producing countries of obstructing stronger measures that could align the shipping industry with the 1.5ยฐC temperature limit set by the Paris Agreement.

Future Steps and Ongoing Advocacy

While the overarching framework has been established, technical details regarding revenue use and distribution are still pending finalization. The policy is expected to be formally adopted in October 2025. Environmental groups and representatives from smaller nations have vowed to continue advocating for a more equitable and ambitious framework.

Laurence Tubiana, CEO of the European Climate Foundation and a key architect of the Paris Agreement, welcomed the IMO’s decision as a step forward but noted its inadequacies. She emphasized the need for polluters to bear the costs of their environmental impact and lamented the missed opportunity for a dedicated shipping levy. As global support for taxing high-polluting sectors grows, the call for more robust climate action remains urgent.


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