The Arctic is under threat, and black carbon emissions from shipping are slipping through regulatory cracks, accelerating warming at an alarming rate. According to a recent report by Pacific Environment titled On Thin Ice: Why Black Carbon Demands Urgent Action, the lack of mandatory regulations at the International Maritime Organization (IMO) is leaving the Arctic vulnerable to “disastrous” climate impacts.

Black carbon, a component of particulate matter from incomplete fossil fuel combustion, is a growing concern as Arctic shipping surges. From 2013 to 2024, the number of vessels entering the Arctic rose from 1,298 to 1,781, with a 108% increase in distance traveled (from 6.51 million to 12.7 million nautical miles). Commercial fishing vessels, bulk carriers, icebreakers, and research ships dominate these waters, fueled by residual fuels that emit high levels of black carbon. As Arctic sea ice melts, new shipping lanes are opening, extending the navigable season and intensifying emissions.

The Arctic is warming three to four times faster than the global average, and black carbon is a key driver. A May 2025 International Council on Clean Transportation (ICCT) report revealed that black carbon emissions nearly doubled between 2015 and 2021, with EU-regulated ships over 5,000 GT contributing 23% of the total. Despite over a decade of discussions, the IMO has failed to enforce mandatory measures, relying instead on voluntary guidelines.

Pacific Environment proposes immediate solutions to slash black carbon emissions:

Switch to cleaner fuels like marine distillates (DMA, DMZ), which could cut emissions by 50-80%.

Establish sulfur emission control areas (ECAs) to limit high-pollution fuels.

Set international standards for fuel aromatic content.

Mandate diesel particulate filters for ships operating in or near the Arctic.

The IMO’s Pollution Prevention and Response Sub-Committee (PPR 13) meeting in February 2026 offers a critical opportunity to act. Without swift, mandatory regulations, the Arctic’s delicate ecosystem and coastal communities face irreversible harm.

Join the push for cleaner Arctic shipping! Support policies to protect this vital region from the growing threat of black carbon emissions.