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Our Global Crisis

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"A wake-up call to humanity" —CANREADS
"A valuable tool for determining solutions critical for survival" —AuthorsReading
"A dense but engaging examination of human nature and its implications for the future." —Kirkus Reviews
"... an insightful examination of the global sustainability debate." —Reader Views
"... a sobering exploration of humanity's impact on the environment and the systems that underpin our global society. —Literary Titan (5 Stars)
"A comprehensive and fascinating study of the state of the planet" —IndieReader
"... an exhaustively researched and sweeping examination of humanity's precarious relationship with consumption and survival instincts. —Readers' Favorite (5 Stars)


Modern society has reached a critical juncture in its existence. Like past civilizations ours has reached a point where its future is far from certain, with its decline, or even collapse, being distinct possibilities.
The Incas, the Mayans, the Romans, the Rapanui, and many others, had seemingly successful societies, yet collapsed when faced with challenges that threatened their continued existence.
Are we to suffer the same fate? What could possibly cause our downfall?
Climate change and environmental issues? Perhaps. It is now almost a certainty that these events are destined to inflict catastrophic damage to our global society. Our coastal cities and island nations, as well as our global economy and agricultural output, will be irreparably damaged. Many of Earth's species, as well as the lives of many millions of people, will be displaced or lost forever.
Such a fate may still be averted, but that opportunity has largely passed. Even if we are able to correct the climatic and environmental issues threatening our society, we must still recognize and address the ultimate source of our problems. For if we fail, a far worse fate potentially awaits us.
Our Global Crisis is an eye opening look at the common weakness shared by societies and civilizations both past and present. But analysis of the problem alone will not solve the global crisis we now face. Thus, the final chapter is dedicated to the simple, yet critical solutions, necessary for our very survival.

614 pages, Kindle Edition

Published October 3, 2024

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Brian D. McLean

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Displaying 1 - 11 of 11 reviews
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4,960 reviews367 followers
November 16, 2024
“Our Global Crisis: We’ll Never Run Out!” by Brian D. McLean is an insightful examination of the global sustainability debate. Instead of approaching the topic from the angle of scarcity and environmental doom, McLean challenges readers to consider a radical question. Are the world’s resources nearly limitless if we manage and innovate more wisely? McLean’s research combines historical analysis and technological foresight to craft an argument on the potential for a sustainable future.

McLean begins by addressing widespread fears of resource depletion, from fossil fuels and water shortages to agricultural land degradation. His counterpoint is that these concerns are often exaggerated due to misunderstandings about human ingenuity. While fully acknowledging the existence of the very real problems that face our environment, he argues that the true crisis lies less in resource scarcity and more in poor management and a lack of investment in sustainable practices. The book cites historical examples of innovations that emerged just as resources were believed to be running out, which McLean presents as evidence that society consistently adapts to meet its needs.

A standout aspect of “Our Global Crisis” is McLean’s clear enthusiasm for technology as a driving force in solving environmental setbacks. He highlights advancements in areas like renewable energy and vertical farming, proposing that with the right investments, such innovations could redefine our approach to sustainability. The discussion on renewable energy is particularly engaging, as he explores the opportunities for solar, wind, and geothermal power to replace fossil fuels on a large scale. He thoughtfully encourages readers to look at these advancements not as experimental or supplemental (as they are very often framed) but as viable foundations for a resource-abundant future.

At the same time, McLean doesn’t shy away from addressing the limitations of his thesis. He acknowledges that transitioning to a sustainable model will require a great deal of change and commitment from world leaders as well as the general public. The arguments are balanced by a critical view of human habits, such as consumerism and waste, which, if left unchecked, could undermine even the most advanced solutions. By presenting both sides of the issue, McLean crafts a narrative that is both hopeful and grounded in realism.

The book’s pacing is brisk, and McLean’s conversational tone makes complex scientific concepts very accessible to a general audience. His writing style is both optimistic and pragmatic, avoiding the pitfalls of either extreme alarmism or unbridled idealism. “Our Global Crisis” is structured in a way that allows readers to grasp the current challenges while envisioning a path forward that is neither naïve nor despairing.

“Our Global Crisis: We’ll Never Run Out!” offers a new perspective on environmental sustainability. Brian D. McLean’s work is inspiring and challenging at the same time, encouraging readers to rethink long-held beliefs about scarcity and environmental limitations. It is an interesting read for those curious about environmental issues and the future of global resources. McLean’s well-researched arguments and his call for a balanced approach to global sustainability make this a thought-provoking read, ideal for both enthusiasts and skeptics alike.

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461 reviews61 followers
November 4, 2024
Environmentalist and conservationist Brian D. McLean's book Our Global Crisis, which presents the results of twenty-two years of meticulous study, offers an insightful examination of some of the most crucial issues confronting the world, and which he believes will affect the future as well as the very survival of our society as it is today.

McLean begins by recounting how humankind failed to care for and protect Earth’s most bountiful avian species: the passenger pigeon. Unbelievably abundant, the pigeon was accessible to everyone and thus were easily captured for their feathers, meat, fats, and even as live birds for sport. Whatever spin the skeptics sought to give the extinction of the pigeon, he asserts that it was a mix of avarice, selfishness, and shortsighted optimism that led to its unrelenting persecution by the growing human population in the mid-to-late 19th century.

Using the very interesting historical case study of the defunct Rapa Nui society, McLean highlights the problem of overpopulation and overconsumption, which in their case led to the depletion of main resources and significant environmental harm, ultimately making it impossible to have any progress. His primary focus is on whether its collapse might have been avoided and what lessons the global socioeconomic society should learn in order to implement important reforms that will enable it to run in a sustainable manner for a very long time, even as it continues to mature and spread to greater numbers of people and an increasing level of consumerism.

The depth and clear demand for the sustainability of life both now and in the future are abundant in this exposition. The author presents a number of solutions aimed at rescuing the planet from its current predicament. From start to finish, he skillfully clarifies the assertion, "Survival has never been a given." This is a crucial remark that forces us to reflect deeply if we are to live in a society where exploitation is rampant. This book, which has been written with a dash of brilliance and wisdom, is one that everyone should read with their eyes focused on the present and the future. It creates a striking and moving image of how chaotic things will get in the future if nothing is done now. It is a vast yet profoundly captivating story that is exceptionally readable and well-written. It urges us to learn to honor and preserve life's sacredness and to humble ourselves by acknowledging that it is our duty to make sure it survives and develops into whatever it is meant to be.

Quill says: Our Global Crisis is an important and relevant book that urges everyone to think and behave differently for a better future. In-depth arguments are presented, and difficult subjects related to human existence are simplified for easy reading. Although many of its ideas have been disputed by others, it is distinctive in that it explores the underlying reasons of our global predicament in great detail while remaining true to what others just touch on in passing.
238 reviews15 followers
December 17, 2024
Brian D. McLean’s Our Global Crisis: "We’ll Never Run Out!" is a profoundly enlightening exploration of humanity’s delicate relationship with the environment and our unsustainable practices. With a perfect balance of historical analysis, scientific insight, and forward-looking solutions, McLean delivers a compelling argument for rethinking our approach to resource management and sustainability.

The book opens with poignant examples, such as the extinction of the passenger pigeon, to illustrate the dangers of unchecked greed and the flawed perception that natural abundance is limitless. McLean seamlessly draws parallels between past civilizations, like the Rapa Nui and Mayans, whose collapses serve as cautionary tales, and our modern global society. His ability to make these historical narratives resonate with contemporary issues like deforestation, overpopulation, and climate change is nothing short of masterful.

What sets this book apart is its tone—neither alarmist nor dismissive. McLean acknowledges the severity of the challenges we face, including rising sea levels, diminishing biodiversity, and the impact of global warming. However, he avoids succumbing to despair, offering instead a refreshing sense of cautious optimism. He highlights the immense potential of human ingenuity, showcasing advancements in renewable energy, sustainable agriculture, and technology as pathways to a brighter future.

The writing is both accessible and engaging, making complex concepts easy to grasp without oversimplifying them. McLean’s conversational tone draws readers in, ensuring that even those new to environmental science or economics will find the material compelling. He also balances his critique by addressing the shared responsibilities of industries, policymakers, and individuals, emphasizing that meaningful change requires collective effort.

Perhaps the most striking aspect of Our Global Crisis is its focus on actionable solutions. The final chapters are particularly inspiring, presenting practical steps for adopting a stewardship mentality toward Earth’s resources. McLean’s call to move beyond reactionary fixes and embrace long-term planning is both timely and necessary.

Ultimately, Our Global Crisis is more than a book; it’s a rallying cry for change. McLean challenges readers to confront uncomfortable truths while empowering them to be part of the solution. This thought-provoking and hopeful work deserves a place on the bookshelf of anyone passionate about sustainability, environmental justice, or the future of our planet. A must-read for our times—five stars.


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108 reviews2 followers
December 16, 2024
Have you noticed anything strange happening to the plants and animals on Earth? Birds and fish are disappearing, and water levels are dropping quickly everywhere. In his book "Our Global Crisis," Brian D. McLean explores how human greed and a lack of long-term thinking are slowly destroying the Earth. We are just repeating the same mistake as the Mayans and the people of Easter Island, and if we do not change, we will be facing a similar destiny.

The author uses the extinction of the passenger pigeon as a powerful case study to showcase the dangers of viewing resources as limitless. He emphasizes that “The passenger pigeon was a natural resource held in common... Their loss serves as a tragic warning that abundance does not equal sustainability.” Brian says that we must see ourselves as part of the Earth's ecosystem, not separate from it. We must behave as owners, not tenants. Do you think an owner will destroy his property? He believes that our "owner" mentality towards the Earth must shift to one of stewardship, where we care for the planet rather than exploit it.

The challenges of climate change, overpopulation, and deforestation are deeply interwoven with human behavior and societal structures. See how the pandemic exposed weaknesses in our systems but also showed our capacity for adaptation. It is not that we are not capable of solving the issues; we are just running behind quick fixes.

It is always easy to point fingers, but this book is balanced. It not only talks about problems like climate change and deforestation but also avoids being overly negative. Instead, he focuses on solutions, like using technology and planning better for the future. He writes, “We need to stop reacting to problems as they happen and start planning for what’s coming decades down the road.” The book is well-organized, starting with past mistakes and moving toward current problems and future solutions.

This book will not turn you into an environmentalist, but surely make you aware of what is happening around us. The decisions we make today will shape the future of our planet for generations to come. Remember! We all have a role to play in creating a sustainable world. Brian leaves readers with hope and a challenge: to learn from the past mistakes, take action now, and ensure a better future for ourselves and those who come after us. It is not just a book that challenges one to think but a call to action.
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4,973 reviews455 followers
December 2, 2024
Brian McLean’s Our Global Crisis is a sobering exploration of humanity's impact on the environment and the systems that underpin our global society. Drawing comparisons between historical collapses of civilizations, like Rapa Nui, and the current trajectory of our interconnected world, McLean crafts a compelling narrative about the consequences of unsustainable practices and human shortsightedness. The book delves into topics ranging from overexploitation of resources, as illustrated by the extinction of the passenger pigeon, to the structural vulnerabilities of modern society, offering both cautionary tales and hopeful visions.

McLean’s writing is both educational and provocative. I found his account of the passenger pigeon extinction in the opening chapter especially haunting. The sheer numbers—billions of birds gone in mere decades—felt like a punch to the gut. This wasn’t just about pigeons; it was about how greed and the "tragedy of the commons" spiral out of control. He doesn’t mince words when connecting this loss to modern issues like deforestation and overfishing. At times, I felt overwhelmed by the grimness of it all, but his ability to weave historical anecdotes with modern parallels kept me riveted.

What really stands out to me is McLean’s ability to critique without partisanship. He doesn’t simply rail against "Big Oil" or blindly champion environmentalism. Instead, he dissects the failures of all sides; industry, policy, and individual inaction. McLean’s exploration of solutions in the latter chapters felt grounded and achievable. His vision for a society where humanity operates as thoughtful stewards of the biosphere resonated with me. I particularly enjoyed his reflections on the COVID-19 pandemic as a "litmus test" for global adaptability. While the pandemic highlighted our collective weaknesses, McLean also saw it as proof of our potential for rapid change.

Our Global Crisis is both a warning and an invitation to act. It forces you to confront uncomfortable truths about humanity’s flaws and responsibilities. But it’s also inspiring for those ready to face these challenges. I’d recommend this book to anyone interested in environmental issues, sustainability, or even just understanding the bigger picture of human existence.
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50 reviews11 followers
December 16, 2024
Brian D. McLean’s Our Global Crisis: "We’ll Never Run Out!" is a thought-provoking exploration of humanity's precarious relationship with the environment and its resources. Drawing on historical examples like the collapse of the Rapa Nui society and the extinction of the passenger pigeon, McLean examines the dangers of overexploitation, overpopulation, and unsustainable practices. With twenty-two years of meticulous research, he presents a compelling narrative about the vulnerabilities of our interconnected global society and the pressing need for change to avoid a grim future.

The book opens with the haunting story of the passenger pigeon, a once-abundant species wiped out by human greed and shortsightedness. This historical case sets the stage for McLean's broader analysis of humanity's impact on the planet. By weaving historical anecdotes with modern parallels like deforestation and climate change, McLean paints a vivid picture of the consequences of neglecting sustainability. His writing is both engaging and sobering, offering readers a stark reminder of the urgency of addressing these global crises.

What sets Our Global Crisis apart is McLean's balanced approach to critique and solutions. Rather than assigning blame solely to corporations or governments, he examines the collective failures of industries, policies, and individual inaction. The book’s final chapters provide actionable strategies for fostering a society that values sustainability and stewardship of the biosphere. McLean's reflections on global events like the COVID-19 pandemic illustrate both the fragility and adaptability of modern systems, leaving readers with a sense of cautious optimism.

This book is a must-read for anyone interested in environmental issues, sustainability, or understanding the larger forces shaping our world. McLean’s conversational writing style makes complex topics accessible, while his mix of realism and hope inspires action. Our Global Crisis is not just a warning about humanity’s potential downfall but a call to rethink how we interact with our planet for a more sustainable future.
105 reviews12 followers
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December 16, 2024
In Our Global Crisis, Brian D. McLean presents an insightful and thought-provoking exploration of humanity's impact on the environment, blending history, sustainability, and human innovation into a compelling narrative. With a conversational and engaging writing style, McLean unpacks complex ideas about resource management, overconsumption, and the dangers of complacency. He masterfully juxtaposes historical collapses, such as the extinction of the passenger pigeon and the downfall of Rapa Nui society, with modern global challenges. By doing so, he invites readers to reflect on the alarming parallels while offering a refreshingly optimistic outlook on our potential for change.

What sets this book apart is McLean’s ability to critique without bias. He avoids polarizing rhetoric, instead dissecting the shared failures of industries, policymakers, and individuals. His poignant storytelling, such as the haunting tale of the passenger pigeon’s extinction, serves as both a cautionary tale and a rallying cry for sustainable reform. McLean also weaves in contemporary reflections, like the COVID-19 pandemic, as a test of humanity’s adaptability, underscoring our capacity for rapid change when driven by necessity. His proposed solutions, rooted in both practicality and vision, make the book a beacon of hope amid pressing global concerns.

Our Global Crisis is more than a sobering account of environmental degradation- it is an invitation to act. McLean's eloquence and depth challenge readers to confront uncomfortable truths while inspiring them to embrace stewardship over exploitation. This book is essential reading for anyone passionate about sustainability, environmental issues, or understanding the broader implications of humanity’s choices. It’s a profound and urgent reminder that survival is never guaranteed, but with collective effort, a better future is within reach.
130 reviews5 followers
December 13, 2024
If you’re the type who loves thought-provoking books that make you question everything you think you know about resources, sustainability, and the way the world works, this one’s for you.

McLean dives into some pretty big topics in this book—but don’t worry, it’s not just another doom and gloom take on the state of the planet. In fact, it’s refreshingly optimistic in a way.

He manages to tackle complex ideas about resource management and human innovation in a way that’s surprisingly easy to follow. He’s got a knack for breaking down technical concepts without dumbing them down.

The writing style is conversational and engaging. Even if you’re not super into environmental issues or economics, McLean’s voice makes it accessible. He has a way of making you feel like you’re part of a bigger conversation about our future.

If you’re looking for a fresh perspective on our global crisis (and a little hope in these wild times), this book is absolutely worth your time. McLean’s mix of optimism, realism, and wit makes for a read that’s equal parts educational and inspiring.
Profile Image for Shan.
1,144 reviews3 followers
December 19, 2024
Thanks to Tellwell for this ARC in exchange for an honest review.

What I thought I was going to get in this book is not what I got. It started fairly interesting except for the repetition. I read one sentence that was repeated word for word just a few pages later. I got tired of reading the phrase 'ad hoc'. Too many discussion topics, biology, sociology, etc. and then an huge section about COVID that went way off topic.

Reading this book was like sitting through a boring college lecture. I think the author just likes to hear himself talk.
250 reviews
June 11, 2025
very informative

This book has a ton of information in it. It might be a little long for some people, but I think it was worth the read. I may be biased because I work in the same field as the author, but I think he seems to be a remarkable human being who took a very long time to research for this book.
Profile Image for Beatrice Manuel.
Author 3 books23 followers
January 13, 2025
Brian D. McLean’s Our Global Crisis: "We’ll Never Run Out!" is a compelling call to action, examining humanity’s unsustainable use of Earth’s resources. Through vivid case studies and historical parallels, McLean challenges the belief that nature’s abundance is limitless, warning that this mindset is driving us toward environmental collapse.

McLean illustrates various tragedies regarding species extinction to highlight how short-term greed blinds us to long-term consequences. He draws powerful comparisons to the collapse of societies like Easter Island, urging readers to recognize the parallels between past civilizations and our own increasingly precarious situation.

McLean’s central argument is clear: we must rethink our role on this planet. Instead of acting as exploitative tenants, we should adopt a stewardship mentality, one where care and preservation take precedence over consumption. His analogy of ownership versus tenancy is both simple and thought-provoking, driving home the urgency of reimagining our relationship with the Earth.

What sets this book apart is its tone. While the subject matter is serious, McLean avoids a defeatist approach. His writing balances urgency with cautious optimism, presenting solutions and underscoring the potential for human innovation to reverse the damage. His conversational style ensures the book is accessible, even to readers who aren’t well-versed in environmental science or economics.

Timely and relevant, "Our Global Crisis" also connects historical lessons to modern challenges, such as the environmental strains exacerbated by the COVID-19 pandemic. This blend of past insights and current realities makes McLean’s arguments deeply resonant.

For anyone interested in sustainability, environmental science, or simply understanding humanity’s impact on the planet, this book is a must-read. Its thought-provoking narrative and practical solutions leave you both sobered and motivated to take action.
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