Cambridge O Level Commerce (7100): Sustainability and ethics – Study Guide

Topic 6 of the Cambridge O Level Commerce (7100) syllabus looks at how sustainability, ethics and consumer protection affect commercial activity. It has three sections: 6.1 Sustainability (its purpose in the supply chain and nine named actions to improve it), 6.2 Ethics (the meaning of ethics, the role of fair trade, and two ethical issues: misleading advertising and harmful disposal of products) and 6.3 Consumer protection (why consumers need protection and how buyers and sellers resolve complaints). Examiners expect you to apply these ideas to a business scenario and weigh the benefits against the costs.

Where does Topic 6 fit in the syllabus?

Topic 6 is the final topic. It draws on the rest of the course: sustainable logistics builds on Topic 4, Logistics in commerce, misleading advertising builds on advertising in Topic 5, Aids to trade that support commerce, and ethical risks in the global supply chain link back to Topic 3. Questions often ask you to explain an action and then judge whether it is worth the cost for the business described.

Syllabus coverage (7100, 2026-2028)

Section	What you must know
6.1.1 Purpose of sustainability	Making commercial processes eco-friendly and environmentally responsible for future generations
6.1.2 Actions to improve sustainability	Sustainable materials, sustainable logistics, reducing packaging, eco-friendly products, recycling and reducing waste, reducing returns and exchanges, digital resale marketplaces, free repair services, water stewardship
6.2.1 Ethics	The meaning of ethics; the role of fair trade; misleading advertising and harmful disposal of products
6.3 Consumer protection	Reasons for consumer protection; actions taken by buyers and sellers to resolve complaints

What is the purpose of sustainability in the supply chain? (6.1.1)

The syllabus defines the purpose of sustainability in the supply chain as making commercial processes eco-friendly and environmentally responsible for future generations. Every stage of the supply chain uses resources and creates waste: extracting raw materials, manufacturing, packaging, transporting, selling and, at the end, disposing of the product. A sustainable business tries to meet customers’ needs today without using up resources or damaging the environment in ways that leave future generations worse off.

Businesses have commercial reasons to act, as well as moral ones. Many customers prefer to buy from responsible firms, using less energy and material cuts costs, governments increasingly regulate waste and emissions, and investors and lenders look at environmental records.

Which actions improve sustainability? (6.1.2)

The syllabus names nine actions. Learn each with an example, a benefit and a drawback.

Action	Example	Benefit	Drawback
Using sustainable materials in production	Recycled cotton, certified timber, recycled plastic	Fewer resources used; appeals to eco-conscious customers	Often more expensive; supply may be limited
Implementing sustainable logistics	Electric vans, fuller loads, better route planning	Lower fuel use and emissions; lower running costs over time	High cost of new vehicles and software
Reducing packaging	Refill stations, minimal or reusable packaging	Lower material and waste costs	Products may be less protected in transit
Selling eco-friendly products	Biodegradable cleaning products, energy-efficient appliances	Opens a new market segment	Higher prices may put off some buyers
Recycling and reducing waste	Reusing offcuts, recycling cardboard	Lower disposal costs; less landfill	Sorting and collection take time and money
Reducing the need for returns and exchanges	Accurate size guides, clear photos and descriptions online	Fewer delivery journeys and less wasted stock	Better product information costs money to produce
Offering digital resale marketplaces	An online platform where customers resell used items	Products stay in use longer; builds customer loyalty	Platform costs; may reduce sales of new items
Offering free repair services	Repairing clothing, phones or furniture	Longer product life; strong reputation	Staff and parts cost money; fewer repeat purchases
Water stewardship	Reducing, reusing and treating water used in production	Lower water bills; protects local water supplies	Treatment equipment is expensive

What does ethics mean in commerce? (6.2.1)

Ethics are moral principles about what is right and wrong. In commerce, ethical behaviour means acting fairly towards customers, workers, suppliers, the community and the environment, often going further than the law requires. Something can be legal and still unethical.

Fair trade is a system in which producers in lower-income countries are paid a fair and stable price for products such as coffee, cocoa, tea and bananas, and work in decent conditions. Buyers often pay an extra premium that the producers’ community spends on projects such as schools or clean water. Its role in commerce is to protect small producers from very low or unstable world prices, to give consumers an ethical choice, and to strengthen the reputation of retailers that stock fair trade goods. The drawback for the retailer is a higher buying price, which may mean higher shop prices.

The syllabus names two ethical issues:

• Misleading advertising: claims that are false or exaggerated, hidden charges, or images that make a product look better than it is. It may win sales in the short term but damages trust, leads to complaints and can result in legal action and fines.
• Harmful disposal of products: dumping waste, unsafe disposal of chemicals or old electronics, or sending waste to places that cannot treat it safely. It may be cheaper, and is sometimes legal, but it harms the environment and the health of people living nearby.

Why do consumers need protection? (6.3)

Consumers need protection because:

• sellers usually know far more about a product than buyers do;
• goods may be unsafe, faulty or not as described;
• consumers can be misled by advertising, labelling or pricing;
• an individual consumer has much less money and power than a large business if a dispute arises;
• online buyers cannot inspect goods before paying.

How are consumer complaints resolved? (6.3)

Actions taken by the buyer	Actions taken by the seller
Keep the receipt and evidence of the problem, such as photos	Listen to the complaint politely and record the details
Complain to the seller first, calmly and in writing if needed	Offer a repair, replacement or refund, as appropriate
Escalate to the manager or the head office	Apologise and offer goodwill, such as a voucher
Contact a consumer protection organisation or the relevant regulator	Investigate the cause and put it right so it does not happen again
Take legal action, for example through a small claims court, as a last resort	Train staff to handle complaints well

For the seller, dealing quickly and fairly with complaints protects its reputation and keeps customers loyal; a complaint handled badly can spread quickly on social media.

Worked example: applying Topic 6 to a business

An online clothing retailer finds that 30% of its orders are returned, mostly because the clothes do not fit. It also receives complaints that a jacket advertised as “100% waterproof” lets in rain.

• Sustainability problem: every return means another delivery journey and some returned items cannot be resold, so emissions and waste rise.
• Actions: reduce returns with accurate size guides and clear photos; offer a digital resale marketplace for items that do not fit; use reusable packaging for returns.
• Ethical issue: the “100% waterproof” claim is misleading advertising. The retailer should correct the advert and stop the claim.
• Consumer protection: customers with faulty jackets should be offered a refund or replacement; the retailer should record the complaints and fix the problem with the supplier.
• Evaluation: these actions cost time and money, but cutting returns saves delivery costs, and honest advertising protects the retailer’s reputation, so they are likely to be worthwhile.

What are the common mistakes in Topic 6?

• Defining sustainability as “being green” without mentioning future generations.
• Treating ethics as the same as the law; ethical behaviour often goes beyond legal requirements.
• Saying fair trade means cheap prices: it means a fair price for the producer.
• Describing consumer protection without saying what the buyer or the seller actually does.
• Giving only benefits of a sustainable action when the question asks you to evaluate.

Frequently asked questions

What is the purpose of sustainability in the supply chain? To make commercial processes eco-friendly and environmentally responsible for future generations.

How does fair trade help commerce? It gives producers a fair, stable income, gives consumers an ethical choice and can improve the reputation and sales of the businesses that stock fair trade goods.

Is misleading advertising an ethics issue or a consumer protection issue? In the syllabus, misleading advertising is listed as an ethical issue (6.2), while the steps buyers and sellers take to resolve complaints belong to consumer protection (6.3). In an answer you can link the two.

What should a customer do first with a faulty product? Go back to the seller with the receipt and evidence, and ask for a repair, replacement or refund before escalating the complaint.

Where can I practise?

Revise with the sustainability and ethics revision notes, then try the sustainability and ethics practice questions.

Official syllabus

Cambridge O Level Commerce (7100) syllabus for 2026, 2027 and 2028, Topic 6 Sustainability and ethics — official syllabus PDF.