Supply Chain & Logistics

Chapter 13
Sustainable, Ethical and Governed Supply Chains

Diploma in Materials Management
Supply Chain & Logistics   •   Diploma

Sustainable, Ethical and Governed Supply Chains

Introduction

Supply chains connect the extraction of natural resources, production, transport, storage, sale, use and end-of-life treatment of goods and services. Their economic contribution is substantial, but supply-chain activities also create greenhouse-gas emissions, waste, pollution, resource depletion, labour risks and governance failures. A modern materials manager must therefore evaluate not only cost, quality and delivery, but also environmental, social and governance (ESG) performance.

A sustainable supply chain seeks to meet present needs without undermining the ability of future generations to meet their needs. An ethical supply chain respects human rights and acts fairly toward workers, communities, customers and business partners. A governed supply chain uses clear responsibilities, controls, evidence, transparency and accountability to ensure that decisions comply with law and organisational values.

Sustainability is not a separate public-relations activity. It affects supplier selection, specifications, inventory, packaging, transport modes, facility design, risk management, contract terms and product recovery. The materials manager is consequently an important decision-maker in responsible business.

Learning Objectives

By the end of this chapter, the learner should be able to:

  1. Explain sustainability, ethics and ESG in a supply-chain context.
  2. Apply environmental, social and governance principles to procurement and logistics.
  3. Distinguish responsible sourcing, due diligence, traceability and certification.
  4. Identify major labour, human-rights and ethical risks.
  5. Explain circular-economy strategies and reverse logistics.
  6. Measure supply-chain carbon emissions using appropriate boundaries and units.
  7. Evaluate green-logistics alternatives and their trade-offs.
  8. Recommend practical governance controls for responsible supply chains.
  9. Address ethical dilemmas using structured professional judgement.

1. The Three Dimensions of Responsible Supply Chains

Environmental responsibility

Environmental responsibility concerns the effects of supply-chain activities on climate, air, water, land, biodiversity and material resources. Major issues include:

  • greenhouse-gas emissions from energy, manufacturing and transport;
  • fuel and electricity consumption;
  • water withdrawal and wastewater pollution;
  • hazardous substances and contamination;
  • packaging and operational waste;
  • deforestation, habitat loss and biodiversity impacts; and
  • depletion of non-renewable materials.

Environmental improvement may involve energy efficiency, renewable electricity, lower-impact materials, route optimisation, waste prevention, product redesign and recovery of used products.

Social responsibility

Social responsibility concerns people affected by the organisation and its supply network. It includes occupational health and safety, fair wages, working hours, freedom of association, non-discrimination, prohibition of forced and child labour, privacy, community impacts and product safety.

Social risks are often greatest beyond the first-tier supplier. A buyer may purchase from a reputable distributor while the actual material originates from a mine, farm, factory or subcontractor with poor working conditions. Responsible management therefore requires visibility beyond immediate contractual relationships.

Governance responsibility

Governance provides the systems through which environmental and social commitments are implemented. It includes:

  • board and management accountability;
  • policies and codes of conduct;
  • segregation of duties and approval authority;
  • anti-bribery and anti-corruption controls;
  • accurate records and audit trails;
  • conflict-of-interest management;
  • grievance and whistle-blowing channels;
  • data protection and cybersecurity;
  • supplier monitoring and corrective action; and
  • transparent reporting.

Governance is not merely bureaucracy. Without governance, sustainability claims may be unsupported, risks may remain hidden and employees may face inconsistent expectations.

2. Important Frameworks and Principles

ESG as a management lens

ESG is a classification system for assessing how an organisation manages environmental, social and governance matters. It is useful for structuring risk registers, supplier assessments and performance reports. ESG should not be treated as a universal score that automatically proves sustainability. Scores may use different boundaries, data quality and weighting systems.

The triple-bottom-line perspective

The triple-bottom-line perspective evaluates economic performance together with environmental and social performance. A supply-chain decision is therefore assessed through three questions:

  1. Is it economically viable?
  2. What environmental effects does it create?
  3. Is it socially fair and responsible?

The three dimensions can conflict. Air freight may protect product quality and avoid stockouts but create higher emissions than sea transport. A very low-cost supplier may be financially attractive but unacceptable because of labour abuse. Professional judgement requires consideration of total consequences rather than a single metric.

Life-cycle thinking

Life-cycle thinking examines impacts from raw-material extraction through production, distribution, use and end-of-life. It prevents an organisation from shifting a problem from one stage to another. For example, replacing plastic packaging with a heavier material may reduce plastic waste but increase transport emissions. Life-cycle assessment (LCA) is a formal method for examining such impacts, generally using defined goals, system boundaries, an inventory of inputs and outputs, impact assessment and interpretation.

Materiality and risk-based prioritisation

Materiality asks which issues are significant to the organisation, stakeholders, the environment or affected people. A risk-based approach considers both likelihood and consequence. A low-probability chemical spill may require stronger controls than a frequent but minor administrative error because the consequences are severe.

A practical risk register records the issue, location, affected stakeholders, likelihood, consequence, existing controls, responsible owner and planned action. Prioritisation should be based on evidence rather than on which issue is easiest to measure.

3. Responsible Sourcing and Supplier Due Diligence

Responsible sourcing means obtaining goods and services in ways that respect people, the environment, law and organisational standards. It extends traditional purchasing criteria beyond price and immediate supply assurance.

A due-diligence cycle

A practical due-diligence process consists of the following stages:

  1. Establish policy and expectations. Publish a supplier code covering labour, safety, environment, integrity and reporting.
  2. Map the supply chain. Identify direct suppliers, significant subcontractors, sites, countries, materials and logistics providers.
  3. Identify and assess risks. Examine country conditions, commodity risks, process hazards, past incidents and stakeholder concerns.
  4. Prevent and mitigate harm. Use specifications, training, contract clauses, engineering controls and supplier-development programmes.
  5. Monitor performance. Use records, interviews, site visits, audits, worker feedback and performance indicators.
  6. Remediate impacts. Require corrective action and provide a remedy where the organisation caused or contributed to harm.
  7. Communicate accurately. Report progress, limitations and unresolved risks without making unsupported claims.

Due diligence is continuous. A completed questionnaire is not proof that risks have been eliminated.

Supplier selection and contracts

Sustainability criteria should be included before tendering, not added after a supplier has been selected. Evaluation criteria may include:

  • environmental permits and compliance history;
  • energy, emissions and water data;
  • labour and safety performance;
  • traceability of high-risk materials;
  • management-system capability;
  • emergency preparedness;
  • ethical business conduct; and
  • realistic improvement plans.

Contracts should define required standards, evidence, access rights, notification of incidents, subcontracting controls, corrective-action deadlines and consequences for serious breaches. Requirements must be proportionate and achievable. Excessive documentation imposed on small suppliers can exclude them without reducing actual risk.

Certification and audits

Certification can provide useful evidence, but it has limitations. An audit is a sample taken at a particular time; it may miss falsified records, unauthorised subcontracting or worker intimidation. Certification schemes also differ in scope and assurance. Effective programmes combine certification with worker engagement, operational data, site observation, grievance mechanisms and follow-up.

4. Labour Standards and Ethical Dilemmas

International labour principles commonly addressed in responsible sourcing include freedom from forced and child labour, non-discrimination, safe and healthy work, reasonable working hours, fair remuneration, freedom of association and access to remedy. National law may establish minimum requirements, while company policy or international principles may require stronger protection.

Common ethical dilemmas

A materials manager may face situations such as:

  • a supplier offers a personal gift during a tender;
  • a low-cost supplier has credible allegations of forced labour;
  • terminating a supplier could remove income from vulnerable workers;
  • a buyer pressures staff to ignore a safety defect to meet a delivery date;
  • a supplier asks an employee to conceal subcontracting;
  • expedited air freight is needed to prevent a critical stockout; or
  • sustainability data appear inconsistent but senior management wants a positive report.

A structured response is preferable to intuition alone:

  1. Clarify the facts and distinguish evidence from assumptions.
  2. Identify affected parties and potential harms.
  3. Check law, contracts, policies and professional standards.
  4. Consider alternatives, including prevention, escalation and remediation.
  5. Document the reasoning and decision authority.
  6. Monitor results and revise the decision when new evidence appears.

The lowest purchase price does not justify serious human-rights abuse. Equally, immediate supplier termination is not always the best remedy where a controlled improvement plan can protect workers and reduce harm. Severe, intentional or unremedied abuse may require suspension or disengagement.

5. Traceability and Transparency

Traceability is the ability to follow the history, location, ownership, transformation or use of a product, material or batch through specified stages of the supply chain. It may be:

  • one step back: identifying the immediate source;
  • one step forward: identifying the immediate customer;
  • internal: tracking movement and transformation within the organisation; or
  • chain-of-custody traceability: documenting control as a material passes through multiple parties.

Traceability supports recalls, quality control, ethical sourcing, regulatory compliance and environmental claims. It requires consistent identifiers, supplier records, batch or lot data, transaction records and controlled access to information.

Transparency means communicating relevant information openly and accurately. Traceability is an information capability; transparency is a disclosure practice. An organisation may have traceability without publicly disclosing it, or make public claims without having reliable traceability. Both situations require careful governance.

Digital tools such as enterprise resource planning systems, supplier portals, barcodes, radio-frequency identification, Internet-of-Things sensors and distributed ledgers can improve visibility. Technology does not correct poor process design. Incorrect master data, weak supplier participation or unauthorised system access can still produce unreliable information.

6. Carbon Measurement and Climate Action

Carbon accounting converts relevant greenhouse-gas emissions into carbon-dioxide equivalents (CO₂e), allowing different gases to be compared according to their global-warming effects over a specified assessment basis. The result is not a direct measurement of carbon dioxide alone; it is an equivalent representation.

A basic activity-data method is:

Emissions = Activity data × Emission factor

Activity data may be litres of diesel, kilowatt-hours of electricity, tonnes of material or tonne-kilometres of freight. An emission factor expresses emissions per unit of activity, such as kg CO₂e per litre or kg CO₂e per kWh. Units must be compatible, and factors should be authoritative, current and appropriate to geography and technology.

For several activities:

Total emissions = ∑(Aᵢ × EFᵢ)

Here, Aᵢ is the activity data for activity i, EFᵢ is its emission factor, and the summation covers all included activities. The method assumes that the selected factor represents the activity adequately and that activities are not double-counted.

For freight, a useful operational measure is:

Freight emissions = Mass transported × Distance × Emission factor

If mass is in tonnes, distance in kilometres and the factor is kg CO₂e per tonne-kilometre, the result is kg CO₂e. Actual freight factors may depend on vehicle type, fuel, load factor, empty running, refrigeration and allocation rules.

Emissions intensity can be expressed as:

Emissions intensity = Total emissions ÷ Functional output

The functional output might be tonnes delivered, units sold, revenue or service hours. Comparisons are meaningful only when the boundaries, period, output definition and data quality are comparable.

Scope categories

The widely used greenhouse-gas accounting structure distinguishes:

  • Scope 1: direct emissions from sources owned or controlled by the organisation, such as company vehicles or onsite fuel combustion.
  • Scope 2: indirect emissions from purchased electricity, steam, heating or cooling.
  • Scope 3: other indirect emissions in the value chain, including purchased goods, capital goods, inbound and outbound transport, business travel, use of sold products and end-of-life treatment.

For many manufacturers and retailers, Scope 3 purchased goods and logistics emissions are much larger than direct operational emissions. Boundary definition, supplier data and estimation methods therefore matter greatly.

Worked example: transport emissions

A company transports 12 tonnes of material over 250 km. The selected emission factor is 0.08 kg CO₂e per tonne-kilometre.

Emissions = 12 tonnes × 250 km × 0.08 kg CO₂e/(tonne-km)
Emissions = 240 kg CO₂e

This estimate assumes the factor already represents the relevant vehicle, fuel and loading conditions and that no additional emissions are to be added separately. If the shipment is split among modes, each mode should be calculated separately and then summed.

Carbon measurement supports decisions, but it does not by itself prove environmental improvement. Organisations should prioritise reduction through efficiency, modal shift, renewable energy, material substitution and demand planning before relying on offsets. Claims about neutrality or net zero require clear boundaries, credible reductions, treatment of residual emissions and transparent disclosure.

7. Green Logistics

Green logistics seeks to reduce environmental impacts while maintaining required service, safety and economic performance. Key interventions include:

  • consolidating shipments and improving load factors;
  • selecting rail or water transport where service requirements permit;
  • reducing empty backhauls;
  • routing and scheduling deliveries efficiently;
  • using fuel-efficient, electric or alternative-fuel vehicles where appropriate;
  • locating facilities to reduce unnecessary movement;
  • improving warehouse lighting, insulation and equipment efficiency;
  • using reusable, right-sized or recyclable packaging; and
  • measuring emissions together with cost and service outcomes.

Trade-offs must be considered. A slower transport mode may require more inventory. A heavier reusable container may reduce packaging waste but increase transport energy. Electric vehicles may reduce tailpipe emissions but require charging infrastructure and careful assessment of electricity sources, battery production and operating conditions.

Green logistics should not encourage unsafe overloading, unrealistic delivery schedules or excessive vehicle utilisation. Environmental gains must remain compatible with legal weight limits, worker safety, product protection and customer requirements.

8. Circular Economy and Reverse Logistics

A linear model follows the pattern “take, make, use and dispose.” A circular economy seeks to retain the value of products and materials for as long as possible and to minimise waste. Preferred strategies generally follow a hierarchy:

  1. avoid unnecessary consumption;
  2. reduce material and energy use;
  3. reuse products or packaging;
  4. repair and maintain;
  5. refurbish or remanufacture;
  6. recycle materials; and
  7. recover energy or dispose of residual waste as a last resort.

Reverse logistics manages the movement of products, packaging or materials from users back to points of recovery, reuse, repair, recycling or safe disposal. It requires collection design, inspection, sorting, information systems, customer participation and economically viable destinations.

Circularity can create new risks. Reused products must remain safe and legally compliant. Recycled materials may contain contaminants. A take-back scheme may shift burdens to informal workers if collection and processing are not responsibly controlled. Circular design must therefore consider durability, disassembly, repairability, material compatibility and safe end-of-life treatment from the beginning.

9. Governance, Compliance and Performance Management

A governance system should connect policy with operational control. Useful elements include:

  • a board-approved sustainability and ethics policy;
  • clearly assigned responsibilities and escalation routes;
  • supplier-risk classification;
  • approval controls for high-risk suppliers and materials;
  • documented procedures and training;
  • contract and record-retention requirements;
  • audits and independent assurance where appropriate;
  • grievance, whistle-blowing and non-retaliation mechanisms;
  • incident investigation and corrective action; and
  • periodic management review.

Performance indicators should support decisions rather than encourage manipulation. Possible indicators include emissions per tonne delivered, percentage of strategic suppliers assessed, corrective actions closed on time, injury rates, supplier payment time, recycled-content percentage, waste diverted from disposal, traceability coverage and verified high-risk-material origin.

Indicators require definitions. For example, “100% supplier compliance” may mean only that suppliers returned a questionnaire. A stronger measure might distinguish verified evidence, unresolved findings and severity of non-compliance.

Compliance includes applicable environmental, labour, product, transport, customs, anti-bribery, data-protection and reporting requirements. Legal requirements vary by jurisdiction, so organisations should obtain current specialist advice for specific obligations. Compliance is a minimum baseline; ethical responsibility may require action beyond what law explicitly demands.

10. Illustrative Case: Responsible Sourcing of Cobalt Components

Background

A fictional electronics manufacturer, Meridian Devices, buys battery components through a first-tier assembler. Its procurement team knows the assembler but has limited information about the mine and refiners supplying the cobalt-bearing materials.

Problem

A civil-society report alleges unsafe mining conditions and child labour in part of the source region. The component is critical, and an immediate uncontrolled cancellation could cause production stoppages and harm workers who depend on the supply chain. Meridian also faces customer demands for proof of responsible sourcing.

Analysis

The issue involves human-rights, safety, traceability, continuity and reputational risks. The first-tier supplier’s certificate is insufficient because it does not establish the origin of the material or the effectiveness of labour controls. Meridian maps the chain, identifies gaps in chain-of-custody records and classifies the material as high risk.

Approach and solution

Meridian takes the following actions:

  1. Establishes a cross-functional team from procurement, quality, legal, sustainability and operations.
  2. Requires the assembler to disclose refiners, smelters and relevant upstream suppliers, subject to appropriate confidentiality controls.
  3. Commissions independent verification focused on worker conditions, safety and traceability.
  4. Consults affected stakeholders and provides a confidential grievance channel.
  5. Requires a time-bound corrective-action plan, including safety improvements and prohibition of child labour.
  6. Develops an alternative source that meets responsible-sourcing requirements.
  7. Prohibits retaliation against workers or whistle-blowers.
  8. Reports the unresolved risks accurately to senior management and customers.

If credible evidence establishes severe abuse that cannot be prevented or remedied, Meridian suspends or disengages responsibly while considering worker impacts and alternative supply.

Outcome

After nine months, traceability reaches identified refiners for 92% of the relevant volume, safety controls improve at participating sites and an alternative source provides resilience. The remaining 8% is not represented as fully verified. Meridian records the limitation and continues corrective action rather than making an unsupported “conflict-free” claim.

Learning points

The case demonstrates that responsible sourcing requires supply-chain mapping, evidence, worker protection, remediation, escalation and accurate communication. Certification and contractual clauses are useful controls, but neither replaces risk-based due diligence. Continuity planning and ethical conduct can be pursued together when decisions are structured and transparent.

11. Contemporary Developments and Implementation Guidance

Supply-chain regulation is increasingly demanding evidence of due diligence, climate disclosure, modern-slavery prevention, product traceability, deforestation control and responsible waste management. Requirements differ by country and sector and change over time. Materials professionals should monitor applicable legislation and maintain reliable records rather than relying on informal assurances.

Artificial intelligence can support anomaly detection, supplier-risk screening, route optimisation and document analysis. However, AI outputs may reproduce biased data, misclassify suppliers or create false confidence. Human review, explainability, privacy controls, cybersecurity and accountability remain necessary. AI should assist professional judgement, not replace investigation of serious labour or environmental allegations.

A practical implementation roadmap is:

  1. Obtain leadership commitment and define scope.
  2. Map suppliers, materials, facilities and logistics flows.
  3. Identify material ESG risks and affected stakeholders.
  4. Establish measurable priorities and baseline data.
  5. Embed requirements into specifications, tenders and contracts.
  6. Train employees and suppliers.
  7. Implement controls, traceability and grievance mechanisms.
  8. Measure performance and verify important claims.
  9. Correct problems and provide remedy.
  10. Review results and improve continuously.

Challenges and Limitations

Sustainable supply-chain management faces several limitations:

  • incomplete and inconsistent supplier data;
  • limited visibility beyond first-tier suppliers;
  • different standards and emission factors;
  • cost and capability constraints among small suppliers;
  • audit fatigue and superficial compliance;
  • conflicting commercial, service and environmental objectives;
  • risk of shifting impacts between life-cycle stages or countries;
  • greenwashing and exaggerated claims; and
  • uncertainty in long-term climate and social outcomes.

These limitations do not justify inaction. They require transparent assumptions, prioritisation of high-risk issues, improvement of data quality and honest communication about uncertainty.

Best-Practice Principles

A professional materials manager should:

  • treat sustainability and ethics as procurement requirements, not optional additions;
  • focus attention on the most significant risks and affected people;
  • use life-cycle and total-cost thinking;
  • avoid unsupported environmental or social claims;
  • combine audits with worker voice, operational evidence and corrective action;
  • maintain traceable records and protect confidential information;
  • design contracts that encourage improvement rather than concealment;
  • consider continuity, remedy and responsible disengagement;
  • measure reductions using consistent boundaries and units; and
  • review governance controls as conditions and regulations change.

Chapter Summary

Sustainable, ethical and governed supply chains integrate environmental protection, human rights, responsible business conduct and accountable decision-making into procurement and logistics. ESG provides a useful organising lens, while life-cycle thinking and materiality help managers identify significant impacts. Responsible sourcing requires policy, supply-chain mapping, risk assessment, prevention, monitoring, remediation and accurate communication.

Traceability supports product integrity, recalls and ethical claims, but data quality and governance determine whether it is credible. Carbon measurement uses activity data and appropriate emission factors within clearly defined boundaries. Green logistics reduces emissions through consolidation, modal choice, efficient routing, facility management and packaging decisions, while recognising service and safety trade-offs. Circular-economy strategies prioritise prevention, reuse, repair, refurbishment, remanufacturing and recycling, supported by reverse logistics.

Effective governance assigns responsibility, controls conflicts and corruption, protects whistle-blowers, verifies performance and maintains audit trails. Ethical dilemmas should be addressed through evidence, stakeholder analysis, legal and professional standards, remediation and documented judgement. Technology and certification can strengthen systems, but neither replaces human oversight, reliable data or accountability.

Key Terms

ESG: Environmental, social and governance factors used to assess organisational responsibility and risk.

Sustainable supply chain: A supply chain that balances long-term economic viability with environmental protection and social responsibility.

Ethical sourcing: Purchasing goods and services while respecting human rights, law, integrity and environmental standards.

Responsible sourcing: A risk-based approach to sourcing that identifies, prevents, mitigates and remedies adverse impacts.

Due diligence: An ongoing process of identifying, addressing, monitoring and communicating supply-chain risks.

Materiality: The significance of an issue to organisational decisions, stakeholders or affected environments and people.

Life-cycle thinking: Evaluation of impacts from resource extraction through production, use and end-of-life.

Traceability: The ability to follow a product, material or batch through specified supply-chain stages.

Transparency: Open and accurate communication of relevant information and limitations.

Carbon dioxide equivalent (CO₂e): A common unit expressing the warming effect of different greenhouse gases as an equivalent amount of carbon dioxide.

Emission factor: A factor expressing emissions per unit of activity.

Scope 1: Direct greenhouse-gas emissions from owned or controlled sources.

Scope 2: Indirect emissions from purchased energy.

Scope 3: Other indirect emissions occurring in an organisation’s value chain.

Green logistics: Logistics designed to reduce environmental impacts while meeting service and safety requirements.

Circular economy: An economic system that keeps products and materials in use and minimises waste.

Reverse logistics: Movement of products or materials back for reuse, repair, recovery or disposal.

Remediation: Action taken to correct or compensate for an adverse impact.

Greenwashing: Misleading or unsupported presentation of environmental performance or claims.

Governance: Structures, controls and accountabilities used to direct and monitor an organisation.

Review Questions

Short Answer Questions

  1. What are the three dimensions of ESG?
  2. Define supply-chain due diligence.
  3. Distinguish Scope 1, Scope 2 and Scope 3 emissions.
  4. What is traceability, and why is it important?
  5. List four strategies in a circular economy.

Long Answer Questions

  1. Explain how a materials manager can integrate responsible sourcing into supplier selection and contracts.
  2. Discuss the benefits and limitations of supplier audits and certification.
  3. Explain life-cycle thinking and show how it can prevent environmental problem-shifting.
  4. Describe the governance controls required for an ethical and transparent supply chain.
  5. Discuss the main trade-offs involved in implementing green logistics.

Analytical / Application Questions

  1. A supplier offers the lowest price but has credible evidence of unsafe working conditions. Using a due-diligence framework, recommend a responsible course of action.
  2. A company transports 20 tonnes over 400 km using an emission factor of 0.06 kg CO₂e per tonne-kilometre. Calculate the emissions and identify two limitations of the estimate.
  3. Design a traceability and corrective-action plan for a high-risk material that passes through a manufacturer, distributor and retailer.

Multiple Choice Questions with Answers

Question 1

Which activity is normally classified as Scope 2 emissions?

A. Fuel burned in a company-owned delivery truck

B. Emissions from purchased electricity used at a warehouse

C. Emissions from a supplier manufacturing purchased components

D. Emissions from customer disposal of a sold product

Correct Answer: B. Emissions from purchased electricity used at a warehouse

Question 2

What is the principal purpose of supply-chain due diligence?

A. To guarantee that every supplier has the lowest price

B. To identify, prevent, mitigate, remedy and communicate adverse impacts

C. To replace all supplier contracts with certification

D. To eliminate the need for supplier performance monitoring

Correct Answer: B. To identify, prevent, mitigate, remedy and communicate adverse impacts

Question 3

A shipment weighs 10 tonnes, travels 300 km and has an emission factor of 0.05 kg CO₂e per tonne-kilometre. What are the estimated emissions?

A. 15 kg CO₂e

B. 50 kg CO₂e

C. 150 kg CO₂e

D. 1,500 kg CO₂e

Correct Answer: C. 150 kg CO₂e

Question 4

Which practice best represents circular-economy thinking?

A. Disposing of products immediately after use

B. Maximising single-use packaging

C. Designing products for repair, reuse and material recovery

D. Increasing extraction to maintain a linear supply model

Correct Answer: C. Designing products for repair, reuse and material recovery

Question 5

Why is a completed supplier questionnaire insufficient evidence of responsible sourcing?

A. Questionnaires are always illegal

B. Supplier responses may be incomplete or unsupported by operational evidence

C. Questionnaires measure only transport distance

D. Responsible sourcing never requires documentation

Correct Answer: B. Supplier responses may be incomplete or unsupported by operational evidence

Question 6

Which is an example of Scope 1 emissions?

A. Purchased grid electricity

B. Third-party ocean freight paid by the buyer

C. Fuel combustion in an organisation’s owned vehicle

D. Use of a product by a customer

Correct Answer: C. Fuel combustion in an organisation’s owned vehicle

Question 7

What is the most appropriate first response to a serious ethical allegation against a supplier?

A. Publish an unverified accusation immediately

B. Ignore it until the next annual audit

C. Clarify facts, assess potential harm and apply escalation procedures

D. Automatically transfer the problem to an unmonitored subcontractor

Correct Answer: C. Clarify facts, assess potential harm and apply escalation procedures

Question 8

Which statement about carbon-emission calculations is correct?

A. Activity data must be multiplied by a suitable emission factor

B. All activities use the same emission factor

C. Emission boundaries do not affect results

D. Carbon intensity is always measured only per unit of revenue

Correct Answer: A. Activity data must be multiplied by a suitable emission factor

Question 9

What is reverse logistics primarily concerned with?

A. Moving materials only from mines to factories

B. Returning products or materials for reuse, repair, recovery or disposal

C. Increasing empty vehicle journeys

D. Removing all records of product movement

Correct Answer: B. Returning products or materials for reuse, repair, recovery or disposal

Question 10

Which governance control most directly supports reporting of misconduct without fear of retaliation?

A. A confidential whistle-blowing and grievance mechanism

B. A policy prohibiting all supplier communication

C. A requirement to accept gifts from bidders

D. An informal verbal approval process

Correct Answer: A. A confidential whistle-blowing and grievance mechanism

Supply Chain & Logistics
Chapter 13 of 14