- Opinion
- 06 Apr 26
Professor Ian Williams on Gerry McGovern’s "important, timely, and morally compelling book" 99th Day: A Warning About Technology
We told you it was brilliant – but it is even better than that. With positive notices landing from just about every direction, we thought we’d let Hot Press readers see what Ian Williams, Professor of Applied Environmental Science at the University of Southampton, had to say about Gerry McGovern’s acclaimed book, 99th Day, and its warning of imminent climate catastrophe.
Gerry McGovern’s 99th Day: A Warning About Technology is a clarion call. It is a meticulously argued, morally urgent book that reframes the energy- and material-hungry technologies of our age as not only technical problems, but ethical and ecological ones.
It is a beautifully written, evidence-based, eye-opening, frightening page-turner. McGovern explains the damage done when the rich get richer by the destruction of our environment via the “Growth Death Cult”. He makes it painfully clear why society needs degrowth to survive. The book highlights how greed, green colonisation, data colonialism, mining, Bitcoin, AI, data centres and amoral Big Tech behaviours trample all over the Rights of Nature and stomp all over fair-minded citizens, especially Indigenous peoples. McGovern shows us that “slow decision making is wise decision making.” It is a wise book from a wise man. Big Tech will hate it. That’s why it is such an important book.
McGovern writes with the clarity of a seasoned critic and the moral seriousness of an advocate. He refuses the comforting narratives of “green tech” and techno-optimism and instead traces, with forensic attention, the human and environmental costs of the mining, waste, and infrastructure that underpin our digital lives. The result is a book that is both a sustained indictment of corporate negligence and a powerful witness to the communities who pay the price.
Ian Williams
STRUCTURE AND ARGUMENT
McGovern organises the book around a set of interlocking claims: that the energy and material demands of AI, data centres, cryptocurrencies, and the wider digital economy are vastly under-accounted for; that the mining and waste streams they require are producing catastrophic harm in the Global South and in fragile ecosystems; and that corporate and political narratives of “green transition” often function as cover for continued extraction and externalisation of costs. These claims are supported by a mix of investigative reporting, synthesis of secondary sources, and, crucially, first-person testimony from affected communities. The book’s structure alternates between big-picture analysis and granular case studies, which keeps the reader both intellectually engaged and emotionally invested.
McGovern’s central thesis – that “green tech” can be a myth when it masks extraction, pollution, and social harm – is consistently argued and repeatedly illustrated. He does not rely on rhetorical hyperbole. Instead, he marshals concrete examples and on-the-ground reporting to show how the promises of a cleaner future can be undermined by the realities of supply chains and corporate behaviour. This makes the book persuasive to readers who want evidence as well as moral clarity.
WITNESS TESTIMONY AND HUMAN IMPACT
One of the book’s greatest strengths is its use of powerful witness testimonies. McGovern brings the voices of affected people to the centre of the narrative, and these testimonies are not decorative: they are evidentiary. The book includes moving, often harrowing accounts from communities such as Bento Rodrigues in Brazil – a site of one of the largest mining-dam collapses in recent history – where McGovern writes that “the people of Bento Rodrigues were externalities. Invisible,” a line that captures both the moral outrage and the human cost at the heart of his argument. These testimonies transform abstract debates about emissions and efficiency into concrete stories of loss, displacement, and long-term contamination.
By foregrounding testimony, McGovern does two important things. First, he restores agency and dignity to people who are too often treated as collateral damage in global supply chains. Second, he provides readers with primary-source material that can be cross-checked against public records, investigative journalism, and legal proceedings – a methodological choice that strengthens the book’s fact-based claims. The testimonies are presented with sensitivity and respect, and they function as moral evidence that complements the book’s technical and policy analysis.
FACT-CHECKING AND EVIDENTIARY RIGOUR
Where possible, McGovern’s claims are anchored to verifiable events and reporting. The book’s case studies – from mining disasters to the proliferation of data centres – align with contemporaneous reporting and public events, and McGovern cites sources and interviews that readers can follow up on. His critique of data centres and the energy demand of AI echoes concerns raised in public debates and specialist/academic reporting about the carbon and material footprints of large-scale computing.
The book is strongest when it ties testimony to documented corporate practises and regulatory failures. McGovern is careful to distinguish between systemic problems and individual actors. He calls for accountability where negligence is demonstrable, and he avoids blanket moralising that would undercut the book’s credibility. This balance – moral urgency paired with evidentiary restraint – is one of the book’s most persuasive features.
99th Day By Gerry McGovern Book Launch at Books Upstairs on February 9th, 2026. Copyright Abigail Ring/ hotpress.com
HOLDING BIG COMPANIES TO ACCOUNT
A central ethical and political thrust of 99th Day is the insistence that large corporations must be held to account when evidence shows negligence. McGovern does not merely indict abstract “industry”; he names practises, traces supply chains, and highlights regulatory gaps that allow harm to persist. The book makes a compelling case that corporate responsibility cannot be reduced to voluntary pledges or greenwashing; instead, it requires enforceable standards, transparent reporting, and legal accountability where harm has occurred.
McGovern’s argument here is both practical and moral. Practically, he shows how weak oversight and lax enforcement create perverse incentives for companies to externalise costs. Morally, he insists that the communities who suffer – often Indigenous peoples and economically marginalised groups – deserve redress and protection. The book’s insistence on accountability is not punitive for its own sake; it is a demand for structural change that would prevent future harms and redistribute responsibility more fairly.
THE ENVIRONMENTAL CASE AND POLICY IMPLICATIONS
McGovern’s environmental critique is comprehensive. He situates the material demands of modern technology within the broader context of biodiversity loss, soil degradation, and water contamination. The book argues that the “green transition” must be rethought: decarbonisation alone is insufficient if it is achieved through intensified extraction and ecological destruction. Instead, McGovern advocates for a more holistic approach that includes material sobriety, circular economy principles, and a radical reduction in unnecessary consumption.
Policy recommendations in the book are pragmatic and grounded. McGovern calls for stricter environmental impact assessments, binding corporate due diligence laws, better waste-management regimes, and international cooperation to regulate transboundary harms. He also highlights the role of civil society, investigative journalism, and legal advocacy in exposing negligence and pushing for reform. These policy prescriptions are realistic and aligned with contemporary debates about supply-chain transparency and corporate accountability.
STYLE, TONE, AND RHETORICAL POWER
McGovern writes with a clarity that makes complex technical and policy issues accessible to a broad readership. His prose is measured rather than sensationalist. When he expresses moral outrage, it is because the evidence compels it. The alternation between investigative detail and human testimony gives the book both intellectual heft and emotional resonance. Readers who come for policy analysis will find it; readers who come for human stories will not be disappointed.
The book’s rhetorical strategy – combining moral argument, empirical evidence, and vivid testimony – is effective. It invites readers to move from sympathy to action, and it provides a roadmap for how that action might be structured: through legal accountability, policy reform, and a cultural shift away from consumption-driven narratives of progress.

COMPARATIVE CONTEXT AND RECEPTION
99th Day arrives at a moment when public debate about the environmental costs of digital infrastructure is intensifying. McGovern’s book joins a growing literature that questions techno-optimism and calls for material sobriety. Its reception, including public events and interviews, suggests it will be influential among environmental advocates, policymakers, and concerned technologists. The book’s combination of moral clarity and evidentiary grounding positions it as a touchstone for debates about how to reconcile technological development with ecological limits.
CONCLUSION
Gerry McGovern’s 99th Day is an important, timely, and morally compelling book. It succeeds on multiple levels: as investigative reportage, as ethical argument, and as a policy-oriented manifesto for accountability. Its most powerful contribution is the way it centres human testimony, transforming abstract debates about energy and materials into stories of real people and ruined places. Where evidence shows negligence, McGovern rightly insists on holding companies to account; where policy is lacking, he offers practical reforms. For readers who care about the environment, social justice, and the future of technology, this book is essential reading.
McGovern has produced a lucid, courageous, and deeply humane work. His combination of rigorous research and empathetic storytelling makes 99th Day not only persuasive but also galvanising. The book’s pro-environmental stance is clear and compelling, and its insistence on accountability is both ethically necessary and practically achievable. This is a book that will inform debates, inspire activists, and challenge complacency – and it deserves a wide readership.
• Ian Williams is Professor of Applied Environmental Science in the Faculty of Engineering and Physical Sciences at the University of Southampton, UK
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