A joint piece by FDR and Navaris
For much of the past decade, carbon regulation in maritime trade sat at arm’s length from commercial decision‑making. It was treated as a compliance requirement, managed by sustainability teams, regulatory specialists, and reporting frameworks that lived outside day‑to‑day trading risk. That separation no longer holds in 2026.
For stakeholders in maritime and logistics, this shift does not happen in isolation. It builds on existing exposure to EU Emissions Trading System [EU-ETS] in shipping and emerging frameworks such as FuelEU Maritime, where carbon is already moving into core commercial decision-making.
With the full financial implementation of the Carbon Border Adjustment Mechanism [CBAM] underway, carbon ceases being merely an environmental metric and starts behaving like a financial variable embedded in trade flows. It enters balance sheets, credit assessments, contract negotiations, and insurance underwriting.
What is emerging is an invisible ledger attached to every shipment entering the European Union [EU]. A carbon ledger that tracks exposure alongside cargo value and counterparty risk. For the maritime sector, this is the moment carbon moves from reporting to reconciliation. This shift is structural for freight forwarders, customs brokers, maritime insurers, and indirect representatives, marking a structural change in risk exposure.
From physical cargo to carbon liability
While CBAM focuses on embedded emissions in goods at the point of import, maritime frameworks such as EU-ETS and FuelEU Maritime operate on voyage-based and fuel-intensity emissions. The interaction between these systems is where complexity, and financial exposure, begins to emerge
Maritime insurance and brokerage have traditionally been anchored in the physical world and realities of trade. Risk was assessed through ships, cargoes, freight income, and liabilities that arise when something is lost, delayed, or damaged along the way.
CBAM shatters that logic. For cargo contents within scope, including steel, aluminium, cement, fertilisers, and hydrogen, the shipment now carries an additional exposure that sits alongside the physical movement of goods.
Embedded carbon emissions effectively travel with the cargo itself. Now, those emissions are no longer treated as background sustainability data. It determines how many CBAM certificates must be surrendered, with prices directly linked to the EU-ETS. Carbon, therefore, acquires a market‑based clearing price.
When that price moves, it reshapes the financial outcome of the shipment.
For example, a steel shipment imported into Rotterdam may carry CBAM exposure linked to production emissions, while the same cargo also incurs EU ETS-related costs during the maritime leg. These are separate regulatory obligations, but they converge within the same commercial transaction.
The default value trap: A margin compression mechanism
During CBAM’s transitional phase, many importers relied on default values for embedded emissions. These figures were designed as temporary stand ins, allowing trade to continue while emissions data systems caught up. However, from 2026 onward, their use becomes significantly restricted and financially disadvantageous.
Default values are deliberately conservative: they protect the system against underreporting, but the consequence is financial rather than administrative. When an importer cannot obtain verified embedded-emissions data from a non-EU supplier, they may have to surrender more CBAM certificates than the shipment actually warrants. More broadly, businesses can also overpay when carbon exposure is calculated from modelled assumptions rather than measured, asset-level data.
In markets where margins are already thin, CBAM’s in-built inefficiency translates directly into margin compression and shifts commercial leverage upstream. Suppliers that cannot provide verified, granular carbon data risk becoming structurally less competitive. Carbon transparency becomes a condition of market access, not a sustainability preference.
For brokers and intermediaries, this creates a new category of exposure. Poor upstream carbon data can now translate into downstream financial loss, even when the physical shipment itself performs exactly as expected.
Carbon cost accumulation across the value chain
CBAM is often described as a new tax layered on top of existing carbon regulation. That framing misses the real shift. What 2026 introduces is the accumulation of carbon cost across the supply chain.
A single shipment entering Rotterdam can now carry several legally distinct carbon‑related costs. These include emissions priced under the EU-ETS for maritime transport, fuel-intensity compliance costs (rather than direct carbon pricing) under FuelEU Maritime, and embedded production emissions priced at the border under CBAM. Each regime applies to a different source of emissions, but financially their impact adds up.
For the first time, carbon pricing spans production, transport, and border entry. Each layer is directly or indirectly influenced by the EU-ETS price. What was once largely confined to heavy industry and power generation is now functioning as a supply chain-wide price signal.
For freight forwarders and brokers, this marks a clear shift in exposure. Carbon can no longer be treated as a regulatory side issue. It is emerging as a financial risk category in its own right, one that must be managed in much the same way as fuel costs, currency risk, or movements.
This is Part 1 of a two‑part insight. Part 2 will examine how carbon pricing moves from economics into liability and financial control.
