Low-Carbon Label for Infrastructure: Ports, Airports, and Highways Facing Offset Requirements

Tarmac d'un aéroport avec le logo label bas carbone en premier plan
07/08/2025
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Infrastructure managers: the new players in the carbon market

Ports, airports, highway authorities, and rail operators: major transportation infrastructure managers have become key players in the French and European energy transition.

Faced with growing requirements regarding net positive biodiversity (NPB), CSRD reporting, and carbon offset strategies, they are seeking practical tools to quantify and demonstrate the value of their environmental initiatives. The Low Carbon Label is one such tool.


Why is infrastructure particularly affected?

Massive carbon footprints

Transportation activities generate significant direct and indirect emissions: aircraft kerosene, maritime freight, and highway traffic. Even with improvements in energy efficiency, a portion of these emissions will remain difficult to eliminate. Carbon offsetting is becoming a strategic necessity for achieving carbon neutrality goals.

Significant land holdings

Ports, airports, and highways occupy vast tracts of land: a major international airport covers between 1,500 and 3,000 hectares, a significant portion of which consists of green spaces, berms, and undeveloped areas. These spaces represent considerable potential for carbon sequestration and biodiversity that can be optimized and harnessed through LBC.

Positive net biodiversity as an emerging obligation

The 2016 Biodiversity Act introduced a requirement for major projects to ensure there is no net loss of biodiversity. The European Nature Restoration Law (2023) moves in the same direction. Infrastructure operators must demonstrate that they are offsetting the impacts of their activities on biodiversity.


LBC as a tool for integrated compensation

Developing carbon credits on company-owned land

An infrastructure manager can generate LBC credits on its own right-of-way by optimizing the management of its green spaces:

  • Meadows and roadside verges mowed late in the season: promote biodiversity and increase soil carbon stocks
  • Reforestation and tree planting in suitable areas
  • Creation of wetlands on available land
  • Removal of waterproofing from parking lots and secondary roads

Finance off-site loans

When the organization’s own land holdings are insufficient, the manager can fund LBC projects carried out by third parties (farmers, local governments, forest owners) and thus count these offsets toward its carbon footprint.


Carbon sequestration on utility rights-of-way: what potential does it hold?

The rights-of-way of major transportation infrastructure projects represent significant carbon sinks:

Type of right-of-wayTypical floor areaEstimated carbon reserves (20 years)
Self-supporting berms2–5 ha/km10–30 tons of CO₂ per hectare
Airport green spaces200–500 ha5–20 t CO₂/ha
Undeveloped port areas50–200 ha8–25 t CO₂/ha

For a 100-kilometer highway network, the potential carbon sink provided by road shoulders could amount to several hundred tons of CO₂ per year.


Quantifying and Assessing: The Role of Remote Sensing

Managing LBC credits across large tracts of land requires monitoring tools capable of covering vast areas on a regular and cost-effective basis. The analysis of satellite and aerial imagery meets this need by enabling:

  • Mapping land use across all rights-of-way
  • Track changes in vegetation and carbon stocks year after year
  • Identify anomalies (damage, destruction) that could affect the carbon footprint
  • Generate the monitoring data required by LBC auditors

Integration into the CSR strategy and reporting

The Low Carbon Label fits naturally into infrastructure managers' CSR strategies, at the intersection of several reporting frameworks:

  • GHG Protocol: LBC credits contribute to Scope 3 emissions and carbon neutrality
  • CSRD: Carbon sequestration and offset initiatives are indicators ESRS-E1 (climate) and ESRS-E4 (biodiversity)
  • Science Based Targets (SBTi): Offsetting through LBC can complement reduction pathways
  • TNFD Biodiversity Reporting: Actions on land holdings contribute to ecosystem restoration indicators

A tool for engaging with stakeholders

Beyond financial and regulatory considerations, the LBC serves as a tool for engaging with stakeholders: local residents, environmental organizations, and licensing authorities. It provides quantified and verified evidence of the operator’s commitment to offsetting its environmental impact.

Netcarbon conducts a carbon and biodiversity assessment of your land holdings, an essential first step in any LBC strategy. Contact us for an evaluation of your carbon sequestration potential.

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