Will McCallum is the Head of Oceans at Greenpeace UK, and *How to Give Up Plastic* was written in the wake of the public reaction to David Attenborough's *Blue Planet II* — a moment when millions of people became aware of marine plastic pollution and wanted to do something. The book meets that audience where they are: offering immediate, practical steps, while situating individual action within the broader systemic context that individual action alone cannot address.
Room by Room
The book’s structure is deliberately accessible: it goes through the home room by room — kitchen, bathroom, bedroom, garden — identifying the major plastic sources in each and offering lower-plastic alternatives. The kitchen section is the most extensive, since that’s where the greatest volume of single-use plastic enters most households through food packaging.
McCallum avoids the perfectionism trap that plagues some zero-waste literature: he doesn’t demand that readers eliminate all plastic immediately, and he acknowledges that zero-plastic is an impossible standard for most people. The goal is reduction and consciousness, not performance.
Beyond the Home
The book’s second half shifts from individual behaviour to collective action: how to campaign for plastic-free aisle options at supermarkets, how to pressure local businesses, how to engage with the policy process. McCallum is explicit that the scale of the plastic problem exceeds what consumer choice can solve — industry and regulatory responses are required — and that the political dimension of individual action is as important as the practical one.
Refusing a plastic straw is not going to save the oceans on its own. But the act of refusal, multiplied millions of times, sends a signal that markets and governments cannot ignore. It is the beginning, not the end.
— Will McCallum, How to Give Up Plastic
6 Key Ideas From This Book
Straws, bottles, coffee cups, produce bags, and food packaging account for the majority of single-use plastic waste. Tackling these five categories delivers the greatest reduction with the smallest disruption to daily life. McCallum provides specific alternatives for each.
Plastic does not biodegrade — it photodegrades into progressively smaller fragments (microplastics and nanoplastics) that persist indefinitely in the environment. Microplastics are now found in deep ocean trenches, Arctic ice, and human bloodstreams. The accumulation problem has no natural endpoint.
Less than 10% of plastic ever produced has been recycled. Most "recyclable" plastic is down-cycled once and then landfilled; much of it is contaminated and sent to landfill or incineration directly. Recycling is a marginal mitigation of a problem that requires reduction at source.
The majority of single-use plastic in homes arrives as food and product packaging — a design choice made by manufacturers, not consumers. Producer responsibility legislation — requiring manufacturers to take back or fund the collection of their packaging — is the most effective policy tool available.
For virtually every common single-use plastic item, lower-plastic alternatives already exist and are commercially available. The barrier is not technology — it is price, habit, and the absence of regulatory incentives to choose alternatives over the cheapest option.
McCallum documents specific cases where coordinated consumer pressure — writing to supermarkets, supporting plastic-free campaigns, choosing competing brands — has driven business behaviour change. Consumer voice, organised and directed, has achieved plastic reductions that individual shopping decisions alone would not.
Any Weaknesses?
The book was published in 2018 and public discourse on plastic has moved quickly since. Some of the specific alternatives and brands recommended have been superseded, and the policy landscape has shifted considerably in many countries.
The focus on single-use plastic, while well-chosen for public accessibility, necessarily sidelines longer-lived plastic applications (durable goods, construction, medical equipment) that may pose equal or greater long-term environmental problems.
People motivated to act on plastic but unsure where to start — who need a practical, non-overwhelming entry point that connects immediate individual action to the broader systemic context.
Zero Waste Home by Béa Johnson for a more comprehensive zero-waste framework that extends well beyond plastic, and The Story of Stuff by Annie Leonard for the systemic analysis of consumption that underpins the plastic problem.
Brand managers at consumer goods companies. The book's account of what drives consumer plastic avoidance — and what campaigns have successfully changed corporate behaviour — is directly relevant to anyone managing product and packaging decisions.
This is an accessible introduction, not an in-depth analysis. Some recommendations are slightly dated. Use it as a starting point and supplement with current campaigns and resources from Greenpeace and similar organisations.
Frequently Asked Questions
Is How to Give Up Plastic worth reading?
How to Give Up Plastic succeeds at its modest goal: providing a practical, accessible entry point for plastic reduction that doesn't overwhelm readers or demand perfectionism. Its value is as a gateway to broader sustainability practice, not as a comprehensive treatment of the plastic crisis.
Who should read How to Give Up Plastic?
People motivated to act on plastic but unsure where to start — who need a practical, non-overwhelming entry point that connects immediate individual action to the broader systemic context.
What is How to Give Up Plastic about in one sentence?
Will McCallum is the Head of Oceans at Greenpeace UK, and How to Give Up Plastic was written in the wake of the public reaction to David Attenborough's Blue Planet II — a moment when millions of people became aware of marine plastic pollution and wanted to do something.
The Verdict
*How to Give Up Plastic* succeeds at its modest goal: providing a practical, accessible entry point for plastic reduction that doesn't overwhelm readers or demand perfectionism. Its value is as a gateway to broader sustainability practice, not as a comprehensive treatment of the plastic crisis.
→ Find on Amazon