Foundations of Sustainable Supply Chain Management

Introduction and context

Supply chains connect the extraction of materials, production of goods, transportation, warehousing, retailing, consumption and end-of-life recovery. They create economic value, but they also consume energy and water, generate emissions and waste, affect workers and communities, and influence biodiversity and public health. Sustainable Supply Chain Management (SSCM) addresses this dual reality: supply chains must remain commercially viable while reducing environmental harm and improving social and governance outcomes.

A modern supply chain is not sustainable merely because one firm has reduced its own emissions. Impacts may be transferred upstream, downstream or geographically. For example, outsourcing production can reduce a buyer’s direct emissions while increasing emissions at suppliers. Similarly, replacing plastic packaging with a heavier material may reduce litter but increase transport energy. Sustainability therefore requires a systems perspective, life-cycle thinking, collaboration and transparent decision-making.

This chapter establishes the conceptual foundations for green logistics and SSCM. It explains sustainability, the triple bottom line, environmental, social and governance (ESG) considerations, externalities and supply chain responsibility. It also examines the historical evolution of these ideas, their business relevance, links with the United Nations Sustainable Development Goals (SDGs), and implications for managers.

Learning objectives

After studying this chapter, the learner should be able to:

1. Define sustainability, sustainable supply chain management and green logistics.
2. Distinguish the triple bottom line from ESG reporting and governance.
3. Explain externalities and why supply-chain decisions can shift rather than eliminate impacts.
4. Describe the evolution from environmental compliance to strategic supply-chain responsibility.
5. Relate supply-chain activities to relevant UN Sustainable Development Goals.
6. Apply foundational concepts to a practical supply-chain problem and identify appropriate managerial responses.

1. Sustainability as a systems concept

The widely used Brundtland definition describes sustainable development as development that meets the needs of the present without compromising the ability of future generations to meet their own needs. Two principles are embedded in this definition. First, sustainability is intergenerational: present choices affect future capabilities and risks. Second, it is distributive: the needs of disadvantaged groups cannot be ignored while aggregate economic output increases.

In supply-chain management, sustainability concerns the long-term viability of interconnected economic, environmental and social systems. It includes the availability of resources, the resilience of ecosystems, decent work, human rights, financial performance and institutional integrity. Sustainability is therefore broader than environmental protection, although climate and ecological impacts are central components.

A useful interpretation is that sustainable performance has three linked dimensions:

• Economic viability: profitability, productivity, continuity of supply, innovation and long-term value creation.
• Environmental integrity: reduced greenhouse-gas emissions, pollution, resource depletion, waste and ecological damage.
• Social well-being: safe work, fair treatment, human rights, community welfare, inclusion and responsible impacts on consumers.

These dimensions are interdependent rather than independent. A safer warehouse may reduce accidents and absenteeism while improving productivity. Energy efficiency may lower emissions and operating costs. Conversely, a low-cost sourcing decision may create labour abuses, regulatory exposure and reputational damage.

Weak and strong interpretations of sustainability

A weak interpretation assumes that losses in one form of capital can be compensated by gains in another. For example, economic investment may be treated as a substitute for environmental degradation. A stronger interpretation recognizes that some ecological and social limits are non-substitutable. A company cannot always compensate for irreversible biodiversity loss by making a financial donation. Managers should therefore distinguish between impacts that can be traded off and “critical” limits that must not be exceeded.

This distinction matters in logistics. A route that is financially efficient but violates legal safety limits is not an acceptable optimization. Sustainability constraints may be thresholds, not merely costs in an objective function.

2. Sustainable Supply Chain Management

Supply Chain Management coordinates organizations, processes, information, materials and financial flows from suppliers to customers. SSCM extends this coordination by integrating environmental, social and ethical objectives into supply-chain design and management.

A practical definition is:

Sustainable Supply Chain Management is the strategic and operational coordination of inter-organizational flows and relationships to create durable economic value while managing environmental impacts, social conditions and governance responsibilities across the supply-chain life cycle.

The phrase “across the life cycle” is important. Responsibility may include raw-material extraction, supplier operations, inbound logistics, manufacturing, distribution, use, repair, reuse, recycling and disposal. The boundaries depend on the decision and the materiality of impacts.

SSCM is not the same as corporate social responsibility (CSR). CSR often describes an organization’s broader responsibilities to society, whereas SSCM focuses specifically on the supply network and its flows. SSCM is also broader than green supply-chain management because it includes labour rights, diversity, community effects, business ethics and governance.

Supply-chain flows and sustainability impacts

Three conventional flows are commonly identified:

1. Material flow: movement and transformation of raw materials, components, products and returns.
2. Information flow: forecasts, orders, traceability data, certifications and performance information.
3. Financial flow: payments, credit, investment and risk transfer.

Sustainability adds impact flows and accountability. Carbon emissions, wastewater, waste, occupational risks and social benefits are not always represented in traditional transaction data, yet they are consequences of supply-chain activity. Effective SSCM makes these impacts visible and incorporates them into decisions.

Scope of emissions

For greenhouse-gas accounting, organizations commonly distinguish:

• Scope 1: direct emissions from sources owned or controlled by the organization, such as fuel burned in company vehicles.
• Scope 2: indirect emissions from purchased electricity, steam, heating or cooling.
• Scope 3: other indirect value-chain emissions, including purchased goods, outsourced transport, business travel, product use and end-of-life treatment.

The exact accounting boundary depends on the applicable standard and organizational method. Scope 3 is often difficult to measure but highly significant for supply-chain decisions. It should not be ignored simply because it is outside a company’s operational control.

3. Green logistics

Green logistics is the design and management of logistics activities to reduce environmental harm while maintaining required service, cost and quality performance. It covers transportation, warehousing, inventory, packaging, material handling, information systems, reverse logistics and facility location.

Typical green-logistics measures include:

• modal shifts from air or road to rail or water where service requirements permit;
• route optimization and reduction of empty running;
• vehicle electrification or use of lower-carbon fuels;
• consolidation of shipments and improved load factors;
• energy-efficient warehouses and renewable electricity;
• packaging reduction, reuse and recyclable design;
• reverse logistics for repair, reuse, remanufacture and recycling;
• accurate demand planning to reduce urgent and wasteful movements.

Green logistics involves trade-offs. A larger distribution centre may reduce transport distances but increase building energy and inventory concentration. Local sourcing may reduce transport distance but increase production energy or reduce economies of scale. Therefore, a decision should be evaluated across the relevant life cycle rather than by a single metric such as kilometres travelled.

A simple emissions estimate for freight can be expressed as:

where E is estimated transport emissions, usually in kg CO₂e; W is transported mass in tonnes; D is distance in kilometres; and EF is the emission factor in kg CO₂e per tonne-kilometre. This simplified model assumes a linear relationship, a stable emission factor and no separate treatment of loading, empty return trips, refrigeration or congestion. In practice, vehicle type, fuel, utilization and operating conditions should be included where reliable data are available.

For example, transporting 10 tonnes over 500 km at 0.08 kg CO₂e per tonne-kilometre gives:

The result is an estimate, not a complete life-cycle assessment. It is useful for comparing alternatives that use consistent boundaries and emission factors.

4. The triple bottom line

The triple bottom line (TBL), associated with John Elkington, proposes that organizations should evaluate performance through three dimensions: people, planet and profit. It challenged the assumption that financial performance alone defines organizational success.

The TBL is a management lens, not a claim that all dimensions can be reduced to a common numerical unit. Its value lies in broadening the decision agenda. Its limitation is that organizations may report three categories without explaining trade-offs, priorities or accountability. A credible TBL approach therefore requires materiality assessment, targets, measurement and governance.

5. ESG: environmental, social and governance dimensions

ESG is a framework for assessing organizational risks, opportunities and performance related to environmental, social and governance matters. It is widely used by investors, boards, regulators and other stakeholders. ESG and TBL overlap, but they are not identical.

• Environmental: climate change, energy, pollution, water, biodiversity, materials and circularity.
• Social: labour standards, human rights, occupational health and safety, diversity, consumer protection and community effects.
• Governance: board oversight, ethics, anti-corruption, controls, tax conduct, data integrity, accountability and stakeholder processes.

TBL is primarily a conceptual performance philosophy. ESG is more closely associated with risk assessment, disclosure and governance. Neither automatically guarantees sustainability. A firm may disclose ESG indicators while continuing practices that exceed ecological limits. Conversely, a small supplier may have strong practices but limited reporting capacity.

Supply-chain ESG requires attention to both performance and evidence. A buyer should ask: What is the policy? Who is accountable? What data support the claim? How are suppliers audited? Are corrective actions effective? Is there a grievance mechanism? Does purchasing practice—such as unrealistic prices or lead times—undermine the supplier’s ability to comply?

6. Externalities and the responsibility problem

An externality occurs when an activity imposes a cost or benefit on parties not fully reflected in the transaction price. Pollution from a factory, congestion caused by freight vehicles and unsafe working conditions are examples of negative externalities. Training that improves a local labour market may create a positive externality.

If the private cost of an activity excludes environmental or social harm, market prices may encourage excessive activity. The difference between private and social cost can be expressed conceptually as:

This identity is a conceptual accounting relationship. It assumes the external cost can be identified and valued; in practice, valuation may be uncertain or ethically contested. External costs may include health damage, ecosystem loss, climate impacts and future remediation.

Supply chains can create, transfer or hide externalities. A low purchase price may result from unpaid environmental remediation or suppressed wages. Outsourcing can move impacts outside the focal firm’s reporting boundary. Green logistics seeks to internalize some externalities through fuel taxes, carbon prices, regulation, contracts, supplier standards, product design and stakeholder pressure.

Internalization does not mean that every impact can be priced accurately. Some harms require prohibition, minimum standards or precaution rather than compensation. Managers should avoid treating carbon offsets, charitable donations or compliance certificates as automatic substitutes for direct impact reduction.

7. Supply-chain responsibility and accountability

Supply-chain responsibility is the recognition that a focal firm has responsibilities for impacts connected to its purchasing, design, logistics and commercial relationships, even when another legal entity performs the activity. Responsibility is not unlimited; it should be based on factors such as contribution, leverage, proximity, severity of harm and capacity to act. However, lack of ownership does not automatically eliminate ethical responsibility.

Responsibility can be managed through a hierarchy:

1. Avoidance: do not design or source products associated with unacceptable harm.
2. Prevention: establish requirements, training, safer processes and responsible purchasing practices.
3. Reduction: lower emissions, waste, risks and resource use.
4. Remediation: correct harm, compensate where appropriate and restore affected communities or ecosystems.
5. Transparency: disclose performance, uncertainty, incidents and progress.

Supplier codes of conduct are useful but insufficient. Effective due diligence involves risk assessment, supplier engagement, worker voice, contractual clarity, capability building, credible verification and remediation. Audits may miss informal work, falsified records or retaliation against workers. A buyer that continually changes orders, demands prices below viable cost and imposes unrealistic lead times may be contributing to poor conditions despite having a formal code.

Governance should assign responsibilities to procurement, logistics, operations, finance, risk, sustainability and senior leadership. Incentives also matter: buyers rewarded only for purchase-price reductions may undermine environmental and social objectives.

8. Evolution of sustainable supply-chain thinking

The development of SSCM can be understood as a progression, although stages overlap in practice.

Compliance and pollution control

Early environmental management focused on complying with laws and controlling pollution after it occurred. Logistics attention centred on fuel cost, vehicle utilization and waste disposal. Social concerns were often treated as human-resources or legal matters within the focal company.

Prevention and efficiency

Organizations later adopted cleaner production, waste minimization, energy efficiency and quality management. Environmental improvements were increasingly linked to lower operating costs. Reverse logistics and packaging reduction emerged as operational practices.

Green supply-chain management

Attention expanded beyond the factory to suppliers, transport providers and customers. Product design, supplier selection, eco-labels, life-cycle assessment and take-back systems became more important.

Strategic SSCM and resilience

Climate risk, resource scarcity, human-rights concerns, transparency expectations and supply disruptions made sustainability a strategic issue. Firms began integrating sustainability into sourcing, network design, product development, risk management and innovation.

Regenerative and circular perspectives

Current thinking increasingly asks whether supply chains can restore natural and social systems, not merely reduce damage. Circular economy approaches seek to eliminate waste and maintain products and materials at high value through reuse, repair, remanufacture and recycling. Regenerative approaches go further by improving ecosystems and community capacity. These ideas remain challenging because they require redesigned business models, reverse flows, new capabilities and reliable measurement.

9. Relationship with the UN Sustainable Development Goals

The 17 SDGs, adopted by UN member states in 2015 under the 2030 Agenda, provide a shared global framework for sustainable development. Supply chains influence nearly all goals, although the strength and direction of influence vary.

The SDGs should not be used merely as labels for existing projects. A robust approach maps material impacts to relevant targets and indicators, identifies trade-offs, establishes baselines and reports progress. For example, a company may support SDG 12 through packaging reduction but undermine SDG 8 if procurement pressure causes unsafe work. SDG alignment therefore requires integrated assessment.

10. A managerial framework for implementing SSCM

A practical implementation sequence is as follows.

Establish scope and materiality

Define products, geographic areas, tiers of suppliers, logistics activities and life-cycle stages. Identify impacts that are significant because of their magnitude, severity, likelihood, stakeholder concern or strategic importance.

Map the network and risks

Map suppliers, transport providers, facilities, materials and information flows. Identify high-risk commodities, countries, processes and logistics lanes. Use both quantitative data and stakeholder knowledge.

Set objectives and boundaries

Objectives should be specific and time-bound, but should also state the baseline, boundary and measurement method. A target to reduce emissions is meaningless without specifying whether it concerns Scope 1, Scope 2, selected Scope 3 categories, absolute emissions or emissions intensity.

Integrate sustainability into decisions

Include life-cycle costs, carbon, resource use, labour risks and resilience in supplier selection, transport planning, facility location, product design and contract management. Prefer prevention and redesign over downstream compensation.

Collaborate and build capability

Small suppliers may lack finance, technical expertise or data systems. Training, longer contracts, technical assistance, shared investment and fair payment terms can produce more durable improvement than punitive auditing alone.

Measure, verify and improve

Use consistent data definitions, document assumptions, verify material claims and disclose limitations. Combine outcome indicators—such as actual emissions or injury rates—with management indicators such as training completion and corrective-action closure.

Govern and communicate

Assign board and executive oversight, establish escalation procedures and provide accessible grievance channels. Communication should avoid greenwashing: claims must be specific, evidence-based, comparable and not misleading.

11. Applied case: NorthStar Apparel’s responsible distribution transition

This is an illustrative case designed for learning purposes.

Background

NorthStar Apparel sells clothing through stores and e-commerce channels. Its products are manufactured by independent suppliers in three countries and shipped to a central distribution centre. The company’s sustainability report emphasizes electricity purchased by its offices, but procurement and logistics account for most of its estimated value-chain emissions. Customer demand for rapid delivery has also increased air freight, packaging waste and returns.

Problem

NorthStar’s procurement team selects suppliers mainly on unit price and lead time. Logistics chooses transport mode separately from merchandising. Supplier audits report few violations, but worker interviews are limited and corrective actions are inconsistently followed. Management wants to reduce environmental impact without increasing stockouts or transferring risk to suppliers.

Analysis

A cross-functional team maps the product life cycle and identifies four material issues: air-freight emissions, high return rates, packaging waste and weak visibility beyond first-tier suppliers. It also identifies a social risk: production peaks and unrealistic changes in order quantities encourage excessive overtime at some suppliers. A narrow focus on warehouse electricity would not address these issues.

For a pilot lane, the team estimates transport emissions using consistent mass, distance and mode-specific factors. It compares air freight with consolidated ocean and rail options while considering service requirements and inventory implications. It also examines total cost, not only freight price, including returns, markdowns, emergency shipments and potential disruption.

Approach and solution

NorthStar adopts five measures:

1. It improves demand forecasting and product information to reduce returns.
2. It reserves air freight for genuinely time-critical products and consolidates standard shipments.
3. It redesigns packaging to remove unnecessary material while protecting garments.
4. It introduces supplier planning rules, advance notice of changes and a responsible purchasing charter.
5. It combines supplier audits with confidential worker grievance channels and remediation tracking.

The company establishes a steering committee including procurement, logistics, merchandising, finance, human resources and sustainability. It reports the boundary and assumptions of its emissions estimates and sets separate targets for absolute emissions, return rate, packaging weight and verified social performance.

Outcome

The pilot produces lower expedited-freight demand and packaging use while maintaining customer service. The most important lesson is that logistics improvements alone would have been insufficient: forecasting, product design, purchasing behaviour and worker conditions were interconnected. The company also learns that reported audit completion is a weak proxy for actual social performance.

Learning points

• A focal firm can influence impacts through purchasing and planning practices, not only through direct operations.
• Environmental and social outcomes often depend on the same underlying decisions.
• Sustainable targets require clear boundaries, baselines and evidence.
• A service promise should be redesigned when it systematically creates avoidable emissions and labour pressure.
• Collaboration and remediation are more credible than superficial compliance.

12. Challenges and limitations

SSCM implementation faces persistent difficulties. Supply chains are multi-tiered, dynamic and commercially sensitive. Data may be incomplete, inconsistent or estimated. Small suppliers may lack reporting systems. Different products and regions create comparability problems. Carbon accounting can overlook biodiversity, toxicity or social harm. Certifications can reduce information asymmetry but may vary in quality and may not cover all material risks.

Trade-offs also require judgement. Electrification may reduce operational emissions but create upstream mineral and battery impacts. Recycling may be preferable to disposal but can be energy-intensive or economically infeasible. Local sourcing may strengthen relationships but is not automatically lower-carbon. Managers should therefore use life-cycle thinking, sensitivity analysis and stakeholder consultation rather than simplistic slogans.

There are also ethical limits to transferring responsibility to consumers. Consumers cannot compensate for unsafe factories merely by selecting a labelled product when information is incomplete and alternatives are unavailable. Nor should sustainability programmes shift costs to low-income households without considering affordability and access.

Regulatory expectations are increasing through climate disclosure, due-diligence, modern-slavery, product stewardship, waste and green-claims rules. Requirements differ by jurisdiction and change over time, so organizations must obtain current legal advice and avoid treating voluntary initiatives as substitutes for compliance.

13. Technology and contemporary developments

Digital technologies can support SSCM through track-and-trace systems, supplier portals, Internet of Things sensors, geospatial analysis, digital product passports and automated data validation. Artificial intelligence can assist demand forecasting, route planning, anomaly detection and supplier-risk screening. However, technology does not create sustainability by itself. Poor-quality data can produce precise-looking but unreliable results; algorithms may reproduce bias; surveillance can threaten worker privacy; and digital infrastructure consumes energy and materials.

Good practice requires data governance, explainable methods where decisions affect people, cybersecurity, access controls and human oversight. Technology should support—not replace—supplier dialogue, worker voice and managerial accountability.

Chapter Summary

Sustainability in supply chains means creating durable economic value while protecting environmental systems, respecting people and maintaining sound governance. SSCM applies this perspective across the interconnected flows and life-cycle stages of a supply network. Green logistics focuses particularly on reducing environmental impacts from transportation, warehousing, packaging and reverse flows, while recognizing service and cost requirements.

The triple bottom line frames performance through people, planet and profit. ESG provides a related framework for environmental, social and governance risks, performance and disclosure. Externalities explain why market prices may hide pollution, unsafe work and other social costs. Supply-chain responsibility requires due diligence, prevention, remediation, transparency and responsible purchasing—not merely supplier codes or audits.

The field has evolved from compliance and end-of-pipe control toward efficiency, green supply chains, strategic resilience, circularity and potentially regenerative models. The UN SDGs provide a common global reference, especially for decent work, responsible production, climate action, partnerships and ecosystem protection. Effective practice depends on materiality, life-cycle thinking, credible data, cross-functional governance, collaboration and avoidance of greenwashing.

Key Terms

Sustainability: Meeting present needs without compromising future generations’ ability to meet their needs.

Sustainable Supply Chain Management: Coordinating supply-chain activities to create economic value while managing environmental, social and governance impacts.

Green logistics: Logistics designed to reduce environmental harm while maintaining required service and operational performance.

Triple bottom line: A performance perspective based on people, planet and profit.

ESG: Environmental, social and governance factors used to assess organizational performance, risk and accountability.

Externality: A cost or benefit imposed on parties not fully reflected in a transaction price.

Supply-chain responsibility: Responsibility for impacts connected to a firm’s sourcing, design, logistics and commercial relationships.

Life-cycle thinking: Assessing impacts across stages from raw-material extraction through use and end of life.

Scope 1 emissions: Direct emissions from owned or controlled sources.

Scope 2 emissions: Indirect emissions from purchased energy.

Scope 3 emissions: Other indirect value-chain emissions.

Circular economy: An economic approach that aims to eliminate waste and keep products and materials in use.

Materiality: The significance of an issue to decisions, impacts, stakeholders or organizational performance.

Due diligence: A process for identifying, preventing, mitigating and addressing adverse impacts.

Greenwashing: Misleading presentation of environmental performance or claims.

Reverse logistics: Movement of products, packaging or materials from users back toward recovery, reuse or disposal.

Resilience: The capacity of a supply chain to prepare for, respond to and recover from disruption.

Sustainable Development Goals: The 17 UN global goals adopted under the 2030 Agenda for Sustainable Development.

Review Questions

Short Answer Questions

1. Define Sustainable Supply Chain Management and explain how it differs from green logistics.
2. What are the three dimensions of the triple bottom line?
3. Distinguish Scope 1, Scope 2 and Scope 3 emissions.
4. What is a negative externality? Give one supply-chain example.
5. Why are supplier audits alone insufficient for supply-chain responsibility?

Long Answer Questions

1. Explain the evolution from environmental compliance to strategic and circular Sustainable Supply Chain Management.
2. Compare the triple bottom line and ESG frameworks, including their purposes and limitations.
3. Discuss how life-cycle thinking helps managers evaluate green-logistics trade-offs.
4. Explain the relationship between supply chains and at least five UN Sustainable Development Goals.
5. Develop a managerial framework for implementing SSCM in a multinational manufacturing company.

Analytical / Application Questions

1. A firm shifts from sea freight to air freight to reduce inventory. Analyze the environmental, economic and social trade-offs and recommend conditions under which the shift could be justified.
2. A supplier passes a social audit but workers report excessive overtime and retaliation. Diagnose weaknesses in the buyer’s responsibility system and propose a remediation plan.
3. Using the freight-emissions model E = W × D × EF, compare 8 tonnes transported 1,000 km at 0.08 kg CO₂e per tonne-kilometre with 12 tonnes transported 600 km at 0.06 kg CO₂e per tonne-kilometre. State the assumptions and explain why the result should not be treated as a complete life-cycle assessment.

Multiple Choice Questions with Answers

Question 1

Which statement best defines Sustainable Supply Chain Management?

A. Managing only the purchasing price of materials

B. Coordinating supply-chain activities while managing economic, environmental, social and governance impacts

C. Replacing all road transport with rail

D. Reporting only a company’s direct carbon emissions

Correct Answer: B. Coordinating supply-chain activities while managing economic, environmental, social and governance impacts

Question 2

Which activity is most directly associated with green logistics?

A. Improving shipment consolidation to reduce empty vehicle movement

B. Increasing single-use packaging to speed picking

C. Removing supplier safety requirements

D. Ignoring product returns

Correct Answer: A. Improving shipment consolidation to reduce empty vehicle movement

Question 3

In the triple bottom line, “people” primarily refers to:

A. Only customer purchasing power

B. Social well-being, labour conditions and community impacts

C. Only shareholder dividends

D. Warehouse automation capacity

Correct Answer: B. Social well-being, labour conditions and community impacts

Question 4

Which is an example of Scope 3 emissions?

A. Fuel burned in a company-owned truck

B. Electricity purchased by a company facility

C. Emissions associated with purchased goods from suppliers

D. A company’s direct emergency generator emissions

Correct Answer: C. Emissions associated with purchased goods from suppliers

Question 5

What is an externality?

A. A cost or benefit not fully reflected in the transaction price

B. A cost recorded only in a warehouse ledger

C. A supplier’s internal production schedule

D. A legally required product specification

Correct Answer: A. A cost or benefit not fully reflected in the transaction price

Question 6

Which practice most strongly demonstrates supply-chain responsibility?

A. Publishing a supplier code without follow-up

B. Using due diligence, worker voice, remediation and responsible purchasing practices

C. Selecting the cheapest supplier regardless of risk

D. Transferring all sustainability decisions to customers

Correct Answer: B. Using due diligence, worker voice, remediation and responsible purchasing practices

Question 7

Which SDG is most directly associated with responsible production, resource efficiency and waste prevention?

A. SDG 4

B. SDG 7

C. SDG 12

D. SDG 16

Correct Answer: C. SDG 12

Question 8

Using E = W × D × EF, what is the estimated emission for 5 tonnes moved 400 km at 0.1 kg CO₂e per tonne-kilometre?

A. 20 kg CO₂e

B. 100 kg CO₂e

C. 200 kg CO₂e

D. 2,000 kg CO₂e

Correct Answer: C. 200 kg CO₂e

Question 9

Why can a supplier audit fail to establish sustainable performance by itself?

A. Audits always measure emissions perfectly

B. Audits may miss worker experiences, falsified records and ineffective corrective action

C. Audits eliminate the need for governance

D. Audits measure only customer satisfaction

Correct Answer: B. Audits may miss worker experiences, falsified records and ineffective corrective action

Question 10

Which statement about technology and SSCM is most accurate?

A. Artificial intelligence automatically makes a supply chain sustainable

B. Digital tools can improve visibility and decisions, but require reliable data, governance and human oversight

C. Technology removes the need for stakeholder engagement

D. Digital systems eliminate all environmental impacts

Correct Answer: B. Digital tools can improve visibility and decisions, but require reliable data, governance and human oversight