Scope 3 Emissions: How Forwarders Are Measuring Freight Carbon

For most companies that move physical goods, transport sits squarely in Scope 3 — the indirect emissions in the value chain that are now firmly in the spotlight of regulators, investors and customers. And transport is rarely a rounding error; it is often one of the larger lines in the Scope 3 inventory.

Why freight carbon is hard to measure

Unlike the energy a company buys directly, freight emissions are generated by third parties across many modes, lanes and load factors. A single shipment might combine trucking, ocean and rail, each with a different carbon intensity that depends on the equipment, the route and how full the vehicle was. Estimating that credibly takes a method, not a guess.

Toward a common standard

The industry has been converging on standardised accounting frameworks that bring consistency to how transport emissions are calculated and reported. The value of a shared method is comparability: a figure that means the same thing across carriers and forwarders, and that stands up to scrutiny rather than serving as marketing.

A carbon number that cannot be audited is a marketing claim. A carbon number tied to a recognised standard is data you can act on.

From measurement to reduction

Measurement is the starting point, not the goal. Once emissions are quantified per lane and per mode, the levers become visible: shifting eligible cargo from air to rail, improving load factors, consolidating shipments, and choosing more efficient carriers. The shippers making real progress treat carbon as one more variable in the routing decision — alongside cost and time — rather than a report filed once a year.

References

• Smart Freight Centre — GLEC Framework
• ISO 14083 — GHG emissions of transport operations
• GHG Protocol — Scope 3 Standard