ITLS6201 Chap.4 Green Logistics and Emissions
Green Logistics and Emissions
Green logistics minimises environmental harm across storage, order processing, packaging, loading, delivery and returns, not only vehicle exhaust. A defensible comparison begins with the same functional service and a declared emissions boundary. Direct emissions arise from fuel burned by the operation, while indirect emissions arise through energy supply and other inputs.
Mode intensity, load factor, operational speed and network design interact, so one universal mode ranking is unsafe. The chapter uses an identify, address, monitor, verify and report cycle, then sequences abatement from operational improvements through modal change to capital investment. Verification distinguishes a changed operation from a changed calculation method.
What this chapter covers
- 01
Green logistics across the distribution process
- 02
Direct and indirect emissions boundaries
- 03
Service-equivalent mode comparisons
- 04
Load factor, speed and operating effects
- 05
Operational and capital abatement choices
- 06
Measurement, verification and reporting
Worked example · free
Compare two service-equivalent freight plans
- +1Current emissions are 25 × 0.60 = 15 t CO₂-e.
- +1Consolidated emissions are 25 × 0.12 = 3 t CO₂-e.
- +1Current freight cost is 25 × $2,400 = $60,000.
- +1Consolidated total cost is 25 × $900 + $12,000 = $34,500.
- +1The plan avoids 12 t CO₂-e and saves $25,500, subject to an equivalent service boundary.
Key terms
- Green logistics
- The design and operation of logistics activities to minimise environmental harm while delivering the required service.
- Direct emissions
- Emissions released from sources controlled within the operation being measured, such as fuel burned by its vehicles.
- Indirect emissions
- Emissions released elsewhere because the operation demands electricity, fuel processing or other supplied inputs.
- Carbon intensity
- Emissions expressed relative to a defined transport service, such as tonnes of cargo and distance moved.
- Abatement
- A measurable reduction in emissions against a clearly defined baseline and operational counterfactual.
Green Logistics and Emissions FAQ
Why must an emissions comparison define its boundary?
Different factors can include only direct fuel burn or also upstream energy and facility activity. Without a common boundary, a lower number may reflect a narrower method rather than a cleaner service. State the shipment, route, period, functional service and included emission sources before comparing alternatives.
Is ocean freight always greener than air freight?
Ocean usually has much lower fuel intensity per tonne, but the answer still depends on route distance, load factor, handling, refrigeration, emergency recovery and whether the services are equivalent. A low-intensity mode that causes spoilage or repeated urgent replacement shipments can perform worse than its headline factor suggests.
How should a firm sequence decarbonisation actions?
Begin with the material source and test operational levers such as loading, routing, speed and empty running. Then evaluate modal or network change, followed by equipment or fuel investment where the case is supported. Keep compliance, financing and customer benefits separate from the physical emissions calculation.
Exam move
Create an emissions-boundary checklist with service, activity data, factor, unit, included sources and baseline. Use it on every calculation before multiplying. Practise separating direct fuel burn from indirect power or fuel-supply emissions and explain which actor can control each source. For mode questions, hold shipment mass, route and service promise constant, then add load factor, detours and recovery freight.
Draw an abatement ladder that starts with operational efficiency, moves through modal or network change and ends with capital-intensive equipment or fuel. Do not assume that the most visible investment has the lowest cost per tonne avoided. Rehearse the identify, address, monitor, verify and report sequence as a control loop rather than a list.
In conclusions, name the first action, the evidence gate for the next action and the method used to verify change. If the boundary or factor changes between periods, disclose it so a methodological change is not mistaken for operational improvement. Repeat one comparison with a narrower and a wider emissions boundary to see whether the ranking changes.
Keep tonne-kilometres, load factors and service level visible, and do not compare alternatives that deliver different functions without adjustment. Build a marginal abatement list that starts with operational measures and ends with capital replacement. For every claimed saving, name the data owner, verification interval and rebound risk. That makes the environmental recommendation testable.
Close by testing whether the proposed action shifts emissions outside the chosen accounting boundary.
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