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Byron Shire
March 1, 2024

Planet Watch: Are humans the disease?

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This article is made possible by the support of Byron Eco Park.

David Lowe

Cute but deadly? Photo Tookapic/Pixabay.

Humans have told a lot of stories about how awesome we are, but there’s one emerging hypothesis that casts our species in a very anti-heroic light. In terms of the planet, are we behaving like a disease?

With the human world currently reeling under the effects of the COVID-19 pandemic, and other species getting a slight breather, this is a great opportunity to take a step back and look at the havoc we’ve been causing, with this question in mind.

The big C

Consider the way cancer works. Its defining characteristics are unrestrained, rapid growth, the destruction of other tissues, distant metastasis (new cancers spreading far from the source), the production of toxic metabolites, and dedifferentiation (the reversion of specialised cells or tissues to unspecialised, primitive forms).

Human civilisation from space. Photo Pixabay.

In terms of growth, world wars and pandemics notwithstanding, the human population has grown from 1 billion in 1800 to almost 8 billion in 2020.

This kind of exponential curve is very familiar to any oncologist.

The environmental destruction associated with our population growth can be seen in the conversion of vast areas of the planet to serve human needs (‘destruction of other tissues’ – species/eco-systems), with highways, powerlines and pipelines behaving similarly to the blood vessels that feed malignant tumours.

The ‘toxic metabolites’ in this analogy can be seen everywhere from the Alberta Tar Sands to the oceanic microplastics, from massive oil spills to the mountains of waste generated daily, and of course also the climate-changing C02 and methane being pumped into the air.


Every night on the news, experts discuss whether the economy is growing enough. Like cancer cells, we seem unable to think beyond the short term, or face the awkward fact that infinite growth is impossible on a finite planet.

Cancerous cell division. Photo Colin Behrens/Pixabay.

Human economic interests and the accompanying exploitation and waste cycles have reached our tallest mountains and our deepest oceans. We have touched every corner of the globe, every molecule of the atmosphere, and every drop of the ocean.

Instead of treating those who have profited most from this destruction as the dangerous and criminally insane individuals they are, we continue to make them richer.

Now the wealthiest of these people are devoting a significant share of their profits to literally reach past planetary limits, attempting to metastasise beyond the damaged ‘body’ of the Earth. This behaviour is starting to look less like cancer and more like a virus.

The accompanying collapse of democracy and the rise of ever more extreme forms of greed and wealth inequity (to the cost of higher human achievements like arts and science) mirrors the rise of ‘unspecialised, primitive forms’ (dedifferentiation).

Around the world, there are clear political parallels illustrating this transition.


Named after the Greek goddess of Mother Earth, Gaia Theory is not very fashionable these days in the scientific and ecological community, particularly since the man behind it, James Lovelock, started spruiking nuclear power.

Earth from the Moon. Photo Wikiimages/Pixabay.

But from the moment we first saw our planet from space for what it is ­– a life-sustaining blue speck in a deeply unfriendly universe – it’s been hard for many of us to go back to seeing our world simply as a place plonked down for human plunder.

Whether the planet is conscious, or a living entity apart from the numerous other living entities that constitute the biosphere, there is some evidence that the whole system is self-regulating, if it’s allowed to be.

Ocean salinity, for example, has been constant at 3.5% for a very long time, despite the ongoing addition of salts from land.

Some have suggested that the Mediterranean Sea is acting like Gaia’s kidney. Organic processes certainly seem to be involved in some way, although the exact details are still mysterious.

Another example is the regulation of oxygen in the atmosphere, with Lovelock and others arguing that higher oxygen levels in the past led to more fires which led to less oxygen, which led to regained equilibrium, with the assistance of bacteria producing nitrogen.

In the case of CO2, plants and simple animals play a vital role in regulating how much is in the atmosphere and how much is in the soil, having literally created the conditions for human (and most other animal life) to come into being.

Unfortunately, like spoiled children, most of us behave as though we’re entirely ungrateful.

Natural and unnatural selection

Whether Gaia exists or not, the rules of natural selection dictate that any organism which becomes too out of step with its environment will become extinct. Self-damage to the environment is no different. The system is self-correcting. Which brings us back to COVID.

A human world? Photo Gerd Altmann/Pixabay.

The most likely cause of this disease is not Bill Gates, but humans pushing into new habitat, stressing and eating the animals there, and encountering a novel disease as a result.

This is a process that has happened numerous times before, particularly since we made the transition from being hunter-gathers to farmers, and began spending a lot more time with animals.

Famous diseases which made the jump to humans as a result include measles, swine flu, SARS 1, influenza A, mad cow disease, dengue, ebola, yellow fever, equine encephalitis and HIV.

You don’t need to believe in karma, Gaia or divine intervention to see that exploitation and lack of respect for animals and plants sooner or later leads to human suffering as well.

Are there similarities between the way this current pandemic is behaving towards humans, and the immune system of an individual facing a threat to life? I would argue the answer is yes.

Will one of these diseases eventually ‘cure’ the human disease afflicting the planet? Possibly.

Stark choices ahead

In spite of all the bumper stickers, we’re not going to kill the Earth ­– it has survived worse things than us – but we do have the capability to take a very large number of species with us if we choose the road to extinction (an estimated 150 species a day by current estimates).

Image CharlVera/Pixabay.

Crises can be a good thing, if they don’t come too late. If you get your cancer or diabetes diagnosis in time, you have a better chance of curing it.

The various movements that have sprung up to embrace climate science, and correct the major inequalities driving our biggest problems, show that it’s not over yet for our human experiment.

Hopefully COVID-19 will give us the necessary wake-up call as a species, and then we can finally live up to our self-given brag name Homo-sapiens or ‘wise man’. If not, we have the next exciting instalment of the climate emergency to look forward to.

One way or another, like everything else living on this planet, we will either evolve or become extinct. Either we learn to live with our fellow species in a sustainable way, or we will become an unfortunate and short-lived episode of natural history.

David Lowe
David Lowe – photo Tree Faerie


Originally from Canberra, David Lowe is an award-winning film-maker, writer and photographer with particular interests in the environment and technology. He’s known for his work with Cloudcatcher Media as a campaigner against unconventional gas and coal.

David has also written about Australian history. Many years ago, he did work experience in Parliament House with Mungo MacCallum. David has lived off-grid in the Northern Rivers since 2008.

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  1. Yes, David. We are ‘the disease’ – always have been I’d say.
    The problem is getting the earth’s inhabitants to admit it.

    • Stefanie, I agree 100%. There is only one species on Earth that soils its own nest as well as the nest for all the other species that live on Earth. Humans are like a plague on the planet, take humans away and the planet happily gets on with doing its own thing.

    • This is just fascism wrapped up in a neat little uwu save the earth package. We as an entire species are not the problem. When you say “we need less people” who is the first to go? Not the rich, who by the way hoard the most and produce the most waste, but the poor people who reproduce too much. they are not the unclean and we are not the disease. The rich are the parasites leeching off the earth and the working class for just one more dollar. Do not believe the myth that we are overpopulated.

  2. Most people, as beings of living nature, of Gaia, and created by and of the same good, are not the “disease”.
    Covert19 is an economic and political war of power and despotic control of populations and resources, by the same rogues, who push the lie of climate change, when instead there is clearly visible and well documented purposeful weather modification, with thousands of associated patents, easily researchable online.
    And the blue marble imagery you speak of is nothing more than artistry.
    More importantly, when did it become acceptable for ‘Australian police’ to stomp on a man’s head?
    What kind of disfigured philosophy led those criminals to that kind of act of horror? Could it be some spurious fiction that people are … “a disease”?

  3. David, you make the observably true and obvious remarks that our Earth is “life-sustaining” and that many (and I would say majority) of us do not see “our world simply as a place plonked down for human plunder”. How then, can you reconcile this with your completely ludicrous notion that we exist “in a deeply unfriendly universe”? How can you not see the mental incongruence in that assertion?

  4. Poor Ida,
    We are as much a part of Gaia, as is a cancer cell of an organism. Covid is merely a symptom of human plague proportions and as inevitable as the Greenhouse effect caused by our massive toxic emissions.
    The real rogues, are those pushing the lie that “growth and Jobs” are answers to anything and somehow the science and politics that have encouraged this catastrophe, could be trusted to ‘modify’ the planet that they have shown to have little to no understanding of it’s global processes.
    I must point out “it become acceptable for ‘Australian police’ to stomp on a man’s head?” about two hundred years ago,…. and have maintained the practice on a daily basis. That is one of the reasons they are universally known as “the pigs”.

  5. Sure thing, Ken. We blame our own kind for a toxic temperament
    as we see it yet cannot [or will not] generally do much about it.
    However, a reasonable number of ‘mortals’ [horrid title!] at least
    attempt to give-back what’s been plundered & broken. Is it the
    best we can do – I do wonder. Being worn out & fed-up is no
    excuse. There’s got to be another way. Love alone can’t pull it
    off, either. We are all too sinister for anyone’s good.

  6. Thanks Ken. If my understanding of your words is correct, Self-serving rogues of politics, amoral corporate structures and junk science have caused a catastrophe in today’s world? And you cannot solve problems using the same flawed thinking which created the problems? No disagreement from me there. That we as a species, are all tarred with the same brush, one big “cancer cell of an organism”? That generalization I don’t buy. And to refer to criminal humans as “pigs”, is that not an insult to the highly sensitive and intelligent piggies? People however are not in “plague proportions”, nor devoid of the ability to re-align themselves with the goodness of nature, but have been indoctrinated systematically by a system created by rogues, to be self-hating, as though humans do not deserve to live at all. So yes Ken, to that I also agree with you; poor me, poor you, poor all of us for the prevalence of that sad and fatalistic delusion.

  7. Great read David Lowe. I believe we are the disease doing the most damage to our Earth. Going out on a limb, I’m not entirely convinced that we didn’t create and release the Covid19 virus. Either way, if we did or didn’t, we are still the main cause of the demise of a healthy planet and it’s many species into an increasingly toxic and dangerous spec in the cosmos. We need to wake up and make some roses! 🙂

  8. Hi Eve ,
    Infact contrary to what most may think
    Iam a Green at Heart !!
    However its some of the Greens policies
    That are just not achievable .
    I guess most parties
    “Promise the world ”
    “And send you a Atlas ”
    At election time..

    • …”not achievable”, eh. Which ones? Examples maybe like Banking Royal Commission, Disability Royal Commission, Marriage Equality, Renewable Energy all were said to be CAN”T DO, oh wait they CAN DO and DID achieve! Koala protection, you right about that one though, just not achievable when you have Liberals and Nationals wanting to log forests and land clear at will.

  9. Decision time… are we ‘human’ or are we ‘otherwise’? No way can this
    whole country be called ‘human’ because we are not. So many are
    “semi-dead in the head” when allowing governments to go ahead &
    create harm to life itself. To deliberately fill up their own personal
    pockets. A racketeer is far from being human as well as a land-rape
    professional. Double-speak is living a lie because that is what is
    happening time after time. The ‘Gas Gang’ runs the show because we
    let it happen. Wake uo, Australia. Your country needs you.

  10. The assertion that human population is growing exponentially is wrong. In almost all the developed world, and many developing nations, population growth is either stalled or decreasing. Overall the current surge in human population due to the Industrial Revolution decreasing infant mortality, and extending life spans, is coming to an end. We will peak at around 11b mid century and decline slowly after than based on current data.

    The entire article is therefore wrong; worse it’s morally bankrupt as it plainly endorses the idea that a mass die off of the human race would be a good thing. This places the author firmly in the same camp as all the other anti-human mass murderers in history. In a word, vile.

  11. We have very wealthy ‘mugs’ running the country due to the ‘buy off & fools’ who support them.
    We could try going back in time while running out of time if some miracle leader chose to do
    worldly-things differently. A call for women candidates may just cross the line. I am not joking.
    We’ve already skipped our use-by date. Daily street brawls, death threats & underground
    cults show the crude offering that awaits all of us daily. A scum delivery future’s not my cup
    of tea. I won’t be saddled by it.


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