Sustaining Spaceship Earth’s fragile and finite systems for a long-term journey into an unknown future
Recap/Update
If you’ve been a regular reader, recaps are probably wearing on you. So, for new or irregular readers, it will suffice to recommend reading or scanning the five previous posts dedicated to exploring the effects of size, scope, scale, and speed in creating socio-ecological overshoot.
Links to posts: One (intro); Two (size); Three (scope); Four (scale); and Five (speed). I think you’ll find plenty of information to help explain the four featured dimensions.
The premise for addressing these four interrelated dimensional systems has been inspired by the ongoing negative impacts of the developing metacrisis, which threatens the future of all life on planet Earth. The fact that this potentially dreadful reality is the result of irrational anthropogenic motivations and behaviors is especially troubling.
As I’ve reiterated many times, the prime driver of our massive socioecological predicament can be directed to humanity’s growing separation from the bio-ecological sphere (Nature). It has become more widely acknowledged that our species essentially overlooks, ignores, or denies the prime role of Nature as the physical source of all life sustenance. So, the question is: How did we get this way?
Our Human Predicament—How Did We Get This Way?
For me – and a growing community of socioecologists – humanity’s modern operating system is the combined result of acquired sociocultural systems and institutionalized structures of domination, notably patriarchy, hierarchy, and human supremacy. These conceptualized institutional systems have been reinforced by ideologies that emerged after humans transitioned from nomadic hunter-gather bands to farming settlements, subsequently expanding to larger human enclaves, from villages to cities to empires.
The development of agriculture allowed for food surplus and storage, in turn stimulating population and economic growth – and also attracting plunderers and waring armies. With expanding populations, monotheistic religions helped provide the foundational beliefs for controlling social behavior. Our growing separation from Nature was aided by a religious belief extolling human supremacy, with the God-given right to dominate all other lifeforms.
The cultivation of modernity’s global capitalistic (pro-growth) economic operating system is too complex to explain in depth here, but it will suffice to state that it would not be possible without access to enormously powerful fossil fuels, notably coal, oil, and gas. World Wars I and II highlighted this reality, along with the allies’ global recovery efforts following WWII. Carbon-based fuels made it possible to propel exponential economic growth, in tandem with a wealth of innovative technological advances in all human systems.
The only systems to lose throughout this modern pro-growth process are those upon which human systems depend; namely, Earth’s ecological systems (i.e., Nature). Tragically, as we observe daily, the earth systems supporting life – air, water, soil, flora, fauna, and fungi – are growing increasingly unstable, as illustrated by the seven (of nine) planetary boundaries that have already been crossed. Moreover, fossil-based fuels continue declining, and will eventually become more difficult to locate, extract, and finance. According to Carbon Brief, peak oil could occur by 2030.
The reason can be attributed primarily to humanity’s apparent hubristic inability to acknowledge and accept the natural limits of technological innovation, especially in relation to consuming Earth’s physical properties. The topic of limits brings us to the purpose motivating this series of posts devoted to exploring how the dimensions of size, scope, scale, and speed apply to an accelerating predicament our species has generated.
Returning to the Spaceship Earth metaphor, our human predicament has increasingly hammered away at the planet’s ability to maintain equilibrium among all bio-ecological systems. Sad to say, the Earth’s crew (humanity) has overlooked its stewardship role of safeguarding and maintaining all systems at peak functionality, in terms of health, stability, resilience, and sustainability. And we have done this by ignoring material limits, neglecting appropriate operating efficiencies, and failing to assume our responsibility as participants.
For reasons cited, the final post in this series will focus on our expanding human population in relation to over-consumption of finite planetary materials, plus a profligate output of waste products, some of which are toxic and long lasting. I realize that the population issue has become controversial, for reasons we will not explore in detail here. However, listed at the end are some recommended readings offering intelligent, humane explanations as to why our human footprint is weighing so heavily on all of Spaceship Earth’s essential life-sustaining systems.
How a Human Spaceship and Spaceship Earth Differ
Human spacecraft are unlike Spaceship Earth is one significant way. A mechanistically conceived, designed, and constructed spaceship is a super-sized machine produced largely by other machines. In contrast, Spaceship Earth is a terrestrial body formed by organic evolutionary processes over billions of years and capable of promoting and supporting organic life.
This organic-oriented view is evident in the Gaia hypothesis proposed by James Lovelock and Lynn Margulis. The hypothesis-theory suggests that Earth’s living organisms and their inorganic surroundings form a single, self-regulating system – a “superorganism” – that maintains favorable conditions for life through biological feedback loops, including temperature regulation, atmospheric oxygen, and ocean salinity. Gaia functions like a complex thermostat, with life actively shaping its environment.
The Gaia hypothesis was initially viewed as speculative, but has since influenced Earth system science by highlighting life’s critical role in planetary stability. Yet, the concept faces debate over its testability, particularly regarding some form of ultimate purpose (teleology).
Human spaceships have a hierarchy of commanders and work crew, but Earth has no such unified authority structure based on fragmented decision-making commands and competing priorities among crew members. Earth systems allow for exploration of human failures and successes in global cooperation, ethical responsibilities, and dilemmas in collective action.
So, while spaceships function by control and optimization, Earth functions holistically when humans reject acting like commanders and engineers, and instead assume the role of caretakers intent on advancing the well-being and maintenance of all they oversee, with a view on loyal, longevity service.
The Population-Consumption-Waste Syndrome on Spaceship Earth
Undoubtedly, human population growth is the most obviously significant phenomenon affecting social and ecological systems in all four dimensions – size, scope, scale, and speed. For a plethora of reasons, some inexplicable, the topic of population is generally overlooked or ignored, for reasons explained elsewhere, as in this 2022 respected source.
What is an undeniable fact is the rapid expansion of human population since the discovery and application of powerful fossil-based fuels. Beginning with the Industrial Revolution in the late 18th century, human population grew exponentially, from around one billion people in 1800 until the 1960s, when it began slowing and eventually surpassing eight billion in 2022.
The United Nations Population Division projects population to peak (and begin a slow decline) in the mid-2080s at around 10.3-billion people. This amounts to more people than the Earth can sustain. It’s simply a matter of multiplication. Each person requires food, water, energy, and material goods, and in aggregate our demand exceeds what Earth can renewably provide. Numbers matter, especially when they represent consumption of materials and waste products.
The Global Footprint Network estimates that humanity now consumes resources equivalent to nearly 1.7 Earths each year—a measure of ecological overshoot. This means we are living on ecological credit, all the while depleting forests, soils, fisheries, and fossil fuels faster than they can regenerate. Like any borrower, we can sustain this only so long before collapse becomes inevitable.
The single common thread connecting all of the social and ecological problems (challenges) experienced today is due to our large (size), broad (scope), expanding (scale), and accelerating (speed) harmful impacts. Increasingly chipping away at social integration and ecological well-being is our overwhelming presence and impact – on one another and on all species and natural materials.
What Responsible and Feasible Actions Can We Take?
As the primary driver in consuming finite natural materials and producing toxic wastes, the topic of population size, scope, scale, and speed must be addressed intelligently and wisely – if humanity’s long-term goal is to create future sustainability. Only realizing this stark reality and advancing long-term plans aimed at humanely reducing our global population to a stable, survivable level makes good sense.
Any long-term goals to reduce birth rates must be guided systemically, using only well-proven humane policies. Humane strategies will require improving qualitative access to appropriate educational opportunities, reproductive healthcare, family planning, and empowerment of women.
World economies can replace the concept of Gross Domestic Product (GDP) – progress measured in terms of material growth – with the concept of Gross National Happiness (GNH), as introduced in Bhutan in the 1970s. Two more concepts are the Happy Planet Index and the Genuine Progress Indicator (GPI). Market capitalism can be replaced with the sensible concepts of degrowth, steady-state economics, and circular design.
Politically, we need to realize that democracy relies on having a well-educated and informed populace. Democracy requires a socio-cultural, economic, and political system that functions as a slower, more deliberative process. This “slowness” explains why authoritarianism has been gaining wider attention. In facing greater complexity – in size, scope, scale, and speed – life becomes more complicated, causing people to feel overstressed, estranged, and dissatisfied.
In response, people call for strong leaders to take action quickly, as has been occurring consistently over the past two decades. The results are obvious – extreme social polarization, growing dissatisfaction with political leaders, a weakening world economic system, and an increasingly powerful class of oligarchic elites. The hackneyed term “unprecedented” defines our current socio-ecological times.
So, what should we do?
First, communities have major roles to play, including re-localizing, strengthening local food systems, relying on renewable migrogrids, and establishing cooperative enterprises. Second, individuals can help their communities by choosing simpler lifestyles, focusing on having “enough” rather than “more,” and rediscovering satisfaction in sufficiency. And, of course, every qualified voter needs to, first, become well informed regarding all relevant issues and candidates, and, second, support political leaders who are intelligent, knowledgeable, honest, trustworthy, and committed to serving the common good over self-interests.
Consider this question: If all non-human species were capable of rendering judgement about our specie’s destructive history, what would it be? From my perspective, the verdict could only be a harsh indictment of humanity’s thoughtless and careless stewardship. We can, and should, take whatever positive actions lie within our power to right our collective wrongs.
Wrap Up
For readers who have followed the six posts of this Spaceship Earth series, I hope the four dimensions of size, scope, scale, and speed have proven useful in understanding everything that happens in life. Here’s a succinct summary illustrating how the four dimensions apply to our human superorganism:
Size – The size dimension of our global human population refers to the sheer number of people now inhabiting Spaceship Earth and the total biological and material demands required to sustain them. As population increases, so too does the aggregate pressure on land, water, atmosphere and all finite life-support systems.
Scope – The scope dimension reflects how deeply and broadly human activity now penetrates every ecological and social system. No region, resource, or species remains untouched. Our omnipresence extends into climate systems, oceans, soils, economies, cultures, and even the chemistry of life itself. Our economic, technological, and cultural systems now intersect with climate regulation, hydrological cycles, biodiversity, and soil fertility, making separation impossible.
Scale – The scale dimension expresses the planetary reach of human influence, our Individual choices multiplied by billions. What once were local impacts have become global transformations. Billions of individual actions accumulate into atmospheric change, biodiversity loss, and altered Earth-system processes, affecting the stability of ecological networks across continents and oceans.
Speed – The speed dimension distinguishes our era from all others, capturing the unprecedented rate at which population, consumption, and technological change now unfold. Growth and extraction proceed faster than natural systems can regenerate and faster than social institutions can adapt. Population growth, resource extraction, and waste production have accelerated beyond historical precedent, outpacing ecological recovery and political foresight.
Together, these four dimensions reveal not isolated problems, but a single pattern of overshoot within a finite and interdependent planetary system. Viewed through these four dimensions, the challenge before humanity becomes not a mystery, but rather a measurable process – and therefore morally unavoidable.
Finally, the question before us is not whether Spaceship Earth can continue its journey, but whether we can learn, in good time, to live within the limits that make any journey possible.
Please think on these things . . .
Clif (with Bettye Ware, reader/editor)
P.S. If you haven’t viewed this short video produced by friend and colleague, Dave Gardner, Director of GrowthBusters, please do: Spaceship Earth Passenger Safety Briefing
By the same author:
Our Legacy – a Hellish Human-Built Landscape?
War is Hell – for All Living Things and the Planet
ABOUT THE AUTHOR
Clifton Ware, D.M., emeritus professor (voice), professional singer and author of four published books and two unpublished works, retired in 2007 from the University of Minnesota-Twin Cities School of Music, where he taught for 37 years. In retirement – as a self-described socio-ecological philosopher focused on sustainability issues – he continues seeking an evidence-based, big-picture understanding of socio-ecological systems, including the symbiotic interconnections and role of humans as an integral part of Nature. In 2013 he founded Citizens for Sustainability in St. Anthony Village, MN, produced Sustainability News + Views (2014-2019), a weekly newsletter featuring a variety of articles and a commentary, co-composed 13 Eco Songs with his wife, Bettye, organized Sustainability Forums, and performed eco-oriented programs and presentations for several organizations.
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