Of Fossil Fuels and Human Destiny

An essay by Ron Patterson, May 2014

There have been hundreds of books and essays written on the evolution of Homo sapiens and I assume you are familiar with that history. In this short essay I am going to point out a few things that are usually left out of that story, the part that deals with the very nature of the species Homo sapiens.

First I would like to point out a few things that are common to all species, not just Homo sapiens.

All species produce more offspring than can possibly survive to adulthood and reproductive age. Some produce hundreds of offspring and leave it to chance that a few will survive. Others produce far fewer offspring and care for them for months to years to increase their chances of survival.

However if there is ever an abundance of food for any species, that species will multiply its numbers to take advantage of that abundance until its numbers are so great that the advantage disappears. An example would be the reindeer of St Matthew Island.

In August of 1944 the Coast Guard placed 29 reindeer on St. Matthew Island, a remote island in the Bering Sea. Earlier in the year they had established a radio navigation system there and the Reindeer were supposed to be emergency rations should the men be cut off from supply shipments.

A short while later, with the allies winning the war, the Coast Guard pulled their men off the island but left the reindeer there. But not to worry, the 32-mile long by 4-mile wide island had plenty of the reindeers favorite food. A mat of lichens over 4 inches deep covered the island. By 1957 the population had increased to 1,350; and by 1963 it was 6,000. But the lichens were gone, and the next winter the herd died off. Come spring, only 41 females and one apparently dysfunctional male were left alive.


Another example was documented by the PBS series NOVA titled Rat Attack. [1] This program documents the plight of rice farmers in a remote corner of northeast India. Surrounding the rice fields in this area are forests of bamboo, a common species called Melocanna bamboo, from which the locals build their homes. And living in this tropical bamboo forest are rats. This is not unusual as rats live in all tropical forest around the world. But the rats are few enough in number that they pose no serious threat to the rice and corn farmers in the area

However once every 48 years all the bamboo flowers, fruits then dies. The Melocanna bamboo produces a fruit, a seed pod, that is as large as an apple, some 200 times larger than the average bamboo seed pod. Over the period of a few months some 10 tons per acre of this fruit will ripen and drop. This indeed brings about times of plenty for the rats in the area.

One species of rat, the black rat, is particularly adapted to take advantage of this cornucopia of food. In the right conditions their numbers will shoot up exponentially.

When the bamboo fruit first appears around this one particular rice field the black rats numbered perhaps 100. By the time all the bamboo fruit had all ripened, fell and most of it consumed by the rats, a period of about six months, the black rat population numbered about 12,000. By then any fruit left in the forest had germinated and was inedible. This hoard of rats then moved into the rice fields devouring the crops causing famine in the local population.

Then, when all the food is gone the rats die off. They die of starvation. But a few, a very few will survive.

Carrying Capacity: The term “carrying capacity” has been debated ever since the population debate surfaced in the 1960s. But they were always talking about “human carrying capacity”. But what many fail to realize is that the earth is at 100% carrying capacity for living creatures and has been since the Cambrian Era. Every square meter of fertile terrestrial space has been contested for since then. Every time there is a winner, consequently, there is a loser. Every time some creature wins territory some other creature must lose territory. It is, and has been, a constant battle for half a billion years.

All species have evolved adaptations that assist them in the struggle for mating and survival. The Eagle has flight, talons, telescopic sight and so on. All other species have similar adaptations.

Homo sapiens have several adaptations that aid them in their competition. But they have one that gives them a huge advantage over all other species, their brainpower. And make no mistake, we are in competition with other species for food and territory. And we are winning… big time. In fact we are in the process of wiping them out.

10,000 years ago humans and their animals represented less than one tenth of one percent of the land and air vertebrate biomass of the earth. Now they are 97 percent. [2][3]

Vertebrate Biomass 2

Vertebrate Biomass 3

The charts above are the measure of our success. Our share of the earth’s pie is getting larger and the wild animal’s share is getting smaller. And the wild animals share will continue to get smaller until it is almost gone. Some will remain, rats, mice and a few small animals that are able to coexist with humans will survive.

The wild animals are going fast. Go to any open market in Sub-Sahara Africa and you will find “bush meat” for sale. Every kind of animal, except the very large animals like elephants and giraffes will be there. Of course the large cats or other predators will not be there. But they are disappearing nevertheless as their prey, their food supply, disappears.

Since the beginning of the industrial revolution in about 1750 the world’s population has grown ten fold, from about 700 million to over 7 billion.

Population World

This population explosion was powered by fossil fuel, first by coal then petroleum. Fossil fuel powered both agriculture and industry. In agriculture, one man was able to produce enough food to feed hundreds. The green revolution increased production per acre ten-fold in some cases.

But as people were forced off the farm cheap energy fueled industry that gave them jobs in the cities. Fossil fuel powered looms, furnaces and assembly lines gave jobs to millions. We are now living in the age of exuberance.

Our population exploded simply because it could. Humans, like all other animals, always live to the very limit of their existence. But when those limits are lifted, like they were for the black rats of East India or the reindeer of St. Matthew Island, the population will just naturally explode. And it will keep rising until it hits the natural limits of the food supply. And if that food supply shrinks, the population will do likewise. It will not be pretty and no amount of rationalizing will change that fact. Richard Dawkins put it this way:

The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute it takes me to compose this sentence, thousands of animals are being eaten alive; others are running for their lives, whimpering with fear; others are being slowly devoured from within by rasping parasites; thousands of all kinds are dying of starvation, thirst and disease. It must be so. If there is ever a time of plenty this very fact will automatically lead to an increase in population until the natural state of starvation and misery is restored.
Richard Dawkins: River Out of Eden

Fossil fuel is our bamboo fruit, our mat of lichens. We, as a species, are simply behaving like all other animals have behaved and would behave under similar circumstances. Millions of years of struggling to survive have left its mark in our DNA and our species cannot help but follow where it leads us. We raise our families and seek security for them and worry about their future. But the process of natural selection has always worked within local small populations. We are molded by our DNA to worry about provisions through the next winter and to defend ourselves from a possible attack by the tribe a few miles away. The goings on in the rest of the world have never been a concern to us. But globalization has changed the nature of the game and our genes simply are not aware of that yet.

We are by nature optimistic. That is, optimism is a survival characteristic, a product of natural selection. [4] Optimism has been highlighted as being an important evolutionary part of survival. In his book “Optimism: The Biology of Hope” [5] Lionel Tiger argues that optimism is one of our most defining and adaptive characteristics.

Our future is locked in, it is in our genes. We will behave, in the future exactly as we have behaved in the past. We will act according to the dictates of our DNA. We will continue to consume our natural resources like a drunken sailor going through his rich uncle’s inheritance. And we will continue to be optimistic, we will continue to believe that fossil fuels will last forever, or at least until “something else comes along”.

But they will all decline, taper off until none is economically recoverable anymore. The first to go will be crude oil, then natural gas and finally coal. Crude oil will peak in this decade and be almost completely gone by the end of the first half of this century. Then natural gas and coal will go in the second half.

We will not hear warnings of impending disaster and act. We will wait until the disaster is upon us then react. It is simply in our nature to behave in such a manner. And then we will eat the birds out of the trees. [6]

Ron Patterson


When I speak of the behavior of “we as a species” I am talking about the average behavior of the species as a whole, never about individuals. Every adaptation of any species is expressed slightly different in every individual. No two individuals are exactly alike. The strength or expression of every human characteristic can be plotted along a bell curve.

If it were possible to poll everyone in the world as to their outlook on life and asked them where they saw the world heading in the next half century or so, some would be extremely optimistic and positively sure that no serious problems could possibly ever befall humanity. But some would not be nearly as optimistic. However, the vast majority of people would fall somewhere in the middle. And the middle would still be quite optimistic. There is no rule of nature however, that says the vast majority of humankind are correct. Where any opinion or other characteristic falls along the bell curve for the vast majority of humankind is simply the result of millions of years of evolution and is in no way a measure of its correctness. Or as H.L. Mencken put it: The most costly of all follies is to believe passionately in the palpably not true. It is the chief occupation of mankind.

Bell Curve

1. Nova, Rat Attack
2. Paul MacCready Ted Talk
3. World Society for the Protection of Animals
4. Optimism and Pessimism
5. Optimism – the Biology of Hope
6. Ukraine Famine

20 Responses to Of Fossil Fuels and Human Destiny

  1. dorji yangka says:

    hi Ron,

    your writings are written with concern for the society and species in general.
    when the 3% of wild animals is wiped out, what do you think will be the fate of homo sapiens?

    would love to hear your valuable perspective!


  2. Nick G says:

    This article made sense 40 years ago, but not today. Most of the countries of the world have fertility rates that are below replacement. Japan and Russia are actually shrinking, now that their demographic transition is complete.

    It’s possible to argue that our population is too high*, but it’s just not realistic to claim that humans will continue population growth as long as they can – they don’t.

    *Not because of Peak Fossil Fuel, but because of Climate Change – we have too much fossil fuel, not too little…

    • Bruce Stephenson says:


      That’s an interesting theory, but the facts do not support it.

      Your statement about fossil fuels is both true and false. We DO have ‘too much’ fossil fuel, in that we have enough fossil fuel to bring about extreme climate change. At the same time, the decades of time delay mean we will deplete fossil fuels, suffer the ill effects of insufficient energy, and THEN experience the ill effects of climate change. Either problem might be partially dealt with without the other, but the two ‘problems’ combined lead to one ‘predicament’.

      • Nick G says:

        We have superior or good substitutes for the majority of oil-based transportation: EVs are generally cheaper and better. Rail is just as good for most freight, and will work for all freight. Oil based transportation is about 75% of oil consumption.

        We have good or adequate substitutes for everything other use of oil – even aviation, though that’s the hardest one.

        Climate Change is much harder, due to the lags involved.

    • Mike, Sydney says:

      Each and every day, the world’s population grows by some 220,000 people. The US population grows by 6,300 each and every day. That works out to be 2.3 million additional Americans each and every year. With that come additional motor vehicle registrations and additional demands on oil and just about every other resource.

      Humanity is a raging pest on this planet and will continue to be until resource limitations put an end to that. We are no smarter than bacteria in a petri dish.

      • Nick G says:

        Fertility is below the replacement level in the US, and in most of the world. It’s dropping like a rock in most of the remainder of the world.

        Malthus was just wrong – humans do limit their population growth voluntarily – they (mostly women) just need education, freedom and contraception.

    • I estimate we have enough fossil fuels to reach 630 ppm CO2 concentration. That’s not going to make me lose my sleep. Running out of fossil fuels worries me a lot more.

      • Nick G says:

        I hope Ron is right, and that we’re seeing Peak Oil. That would be a good thing for the world. Less pollution, possibly fewer oil wars, more money left for other things.

  3. Roy says:

    Thanks for the essay Ron, educating the masses on oil dependence is a formidable mission. It is too bad all that “brain power” is used to extract every once of energy from the ground as fast as possible. I often wonder if Darwin realized that evolution would include species capable of eradicating their own environment.

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  5. susan linkletter says:

    Much to think about here, I am already mourning for my great grandchildren.

  6. Timco says:

    The problem is timing. As I write this comment, corn, wheat, oats and most commodities are at multi year low prices. Harvest levels, and thus exports, have reached record high levels in 2014. We may be all doomed to starvation, but not for a few more years.

  7. Allan H says:

    The Great Extinction or as some call it the Sixth Extinction has taken 40,000 years for humans to get near completion. I am not sure that the fall of oil will even stop the extinction event, only stall it for a while as the humans left repopulate and innovate their way through whatever species are left. It may take a number of cycles, each one getting smaller; similar to a free induction decay (absolute value only).

    “The total amount of suffering per year in the natural world is beyond all decent contemplation. During the minute it takes me to compose this sentence, thousands of animals are being eaten alive; others are running for their lives, whimpering with fear; others are being slowly devoured from within by rasping parasites; thousands of all kinds are dying of starvation, thirst and disease.” Richard Dawkins

    All I can say Richard is if you are going to add up suffering (which for the individual or even group makes no sense) then humans have the prize by a long shot. I have seen the huge amount of suffering from cancer and other horrible diseases. People kept alive way beyond what nature would allow, mostly to feed the medical system under the guise of helping them. The total suffering is tremendous and takes down whole families. Old people kept alive way beyond any usefulness to themselves or others, suffering dementia, loneliness, depression and crippling pain with no ability to modify their circumstances. Young people with mental illness, kept alive by a system that won’t let nature take it’s course. Kept alive to suffer a tortured existence and never be a part of mainstream society. Never have a real life. We call this success and progress.
    Then add the purposely inflicted horrors of greed, war, and slavery, and drugs as well as societal “norms” where women and children are beaten and sometimes killed or mutilated. How could anyone say that humans are humane or kind.
    On the other hand nature is much more merciful than humans, usually the death is quick. Those that cannot really cope with life die soon and very young, not decades later after much suffering and ostracism. Nature is more brutal in some cases, but quicker and with far less overall suffering. Give me nature, at least it works and if you mess up it’s usually quite quick to dispatch you. A few minutes of terror and pain versus much of a lifetime of pain and suffering and disability, take your pick.
    Nature choses the strong and the healthy, mankind at it’s best keeps a huge percentage of the population on drugs, sickly and only able to lead partial lives. Nature provides huge amounts of food, mankind’s systems are designed to take as much as possible from it’s own and everything else: suck them dry and toss them aside.
    Men and women will earn the right to be called human again when they take the attitude of the wolf and bear. Forget the fear and do what is needed without greed or malice. Live with the world, not trying to subjugate it.
    Now they fear everything and try to extend miserable lives for no real purpose other than fear and self-gratification. The old are no longer valued, money and technology are valued. Business is valued. Sports and acting are valued. Man’s fear has caused him to kill off many species and kill many of his own kind.
    Will mankind’s legacy be one of fear, greed and self-gratification or will we rise above it?
    And finally, men might fear death, but mankind does not seem to fear extinction or major eradication. They act instead as if they desire extinction and seem to do so much that will ensure a tremendous loss of population. Possibly even changing the world enough to ensure self-extinction. Will we be the mad suicidal great apes that disappear or will some move beyond that?

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  9. marco says:

    Hi Ron,
    Nice paper, thanks.
    Everything very sound and unconfutable on the basis of the conventional evolutionary process.
    However we are at the verge to an epochal transition from slow Natural Evolution based on random changes and natural selection to fast Artificial Evolution. This is a game changer because driven by intelligence. This is what distinguish us from all other species. With intelligence come technology and no other specie has it either. Therefore we cannot be considered as rats without any distinction, things are more complicated.
    When a civilization develops technology and survives to it, evolution go exponential and very quickly reaches a Fully Evolved state.
    To do this evolutionary twist a civilization has to earn sufficient wisdom to master and control its own technologies.
    I believe that we don’t have such wisdom and we will go the same way as the rats did, but someone else in the universe should have been able to do it. Probably we have been very unlucky to have oil on this planet, it caused a sudden explosion of technology and population that went out of hand. It would have been better to take 1000 years to develop it instead then 100.
    Please find a link to a thought in relation to the technological singularity that could give a different perspective of what is going on.


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