Too Many Humans?

There's an article at the discovery channel website that describes a paper claiming that the sustainable number of humans is only 6 million -- 1000 times less than the current 6 billion.

But this is clearly ridiculous. A few hundred years ago, there were 30 to 60 million buffalo in North America alone. Buffalo are bigger than us, so clearly North America could sustain at least 30 million humans, not even counting the other continents. We might have to start eating grass, though.

Also, consider that a large percentage of the population of China and India is rural and engaged in subsistence farming. They've been feeding themselves for quite a while, using only local resources. So what reason is there to think that they can't continue to do so? Collectively, those two countries alone have 2.2 billion people. Suppose that only 5% of that is sustainable. That's still 100 million people.

Therefore it seems to me to be a relatively conservative estimate that the world can sustain at least 300 million people, assuming we're all vegetarian, and we kill off all other animals that might compete with us. We might be 20 times overpopulated, but certainly not 1000 times.

I'll file this study in the same category as the flawed ecstasy study where 20% of the subjects died due to heat stroke.

Posted on December 10, 2003 11:23 AM
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Let me attempt a curious connection back to language design by linking to an essay on sustainable development by none other than John McCarthy, the father of LISP.

Sustainability of Progress

-K

Posted by: Kaushik at December 11, 2003 01:36 AM

Are you mad when did you see a buffalo driving a car, building houses buy tv and video equipment. infact the Buffalo from my Knowledge doesnt produce loads of rubbish everyday apart from the odd shit.
You need to think again mate It obvious look at what is happening in the world - I would agree that the planet could and probably hold alot more humans - but the cost to the environment - well look at the fact that because of too many humans other species are being wiped off the planet. Never mind the global warming due to humans messing with the environment. The fact of the matter is we have to reduce the human population for the good of all creatures on the planet earth. But I have a feeling its too late already.
But that doesnt mean we shouldnt try and reduce the human population so trying to stop the continued resources depletion.

Posted by: Rupert RIvett at November 9, 2004 01:14 PM

There are too many humans and when oil peaks we are in for a big DIE-OFF because we will have no more cheap oil to run the tractors and make the pesticides. Stupid humans.

Posted by: Roxy at September 22, 2005 02:44 PM

There ARE too many humans on this planet. referring the moronic buffalo comparison, a man produces 100 pounds of non-biodegradeable waste per year, consumes 1000 gallons of fossil fuel per year. Man destroys the environment, creates thousands of different unnatural poisons, and reproduces irresponsibly. Overpopulation means there will be less of everything for those living.
Less food, fewer jobs, less water, less room, more pollution, and increasing misery.

Posted by: Bernard at January 12, 2006 01:44 AM
a man ... consumes 1000 gallons of fossil fuel per year

You're confusing "human" with "average U.S. citizen". Please note the part where I said "we might all have to start eating grass". It should be clear that I was envisioning significant lifestyle changes in order to make our lifestyle sustainable. My point was that if we are willing to change our lifestyle, we can sustain a lot more people than a mere 6 million.

Modern estimates of the size of the Native American population before the arrival of Columbus are between 10 and 100 million, just for North and South America. Although one could dispute how sustainable most of those civilizations actually were, they certainly didn't consume 1000 gallons of fossil fuel per year.

Posted by: Kim at January 12, 2006 10:12 AM

Humans are a virus and needs to be controlled. There are too many of us. We are conciously destroying the environment we live in and we dont give a damn, all because the rich want to get richer. There are too many damn cars! we rely too heavily on fossil fuels and we are not doing enough to look for and use other alternatives.

Posted by: Adam at December 18, 2006 10:29 PM

I finished the book 1491 the other day. It's a book about what the Americas were like before Columbus. It made an interesting point, saying that the huge herds of buffalo may have been a new phenomenon, caused by the death of around 90% of the Native American population. Previously the native people had kept the herds limited to much smaller numbers.

If this idea is true, then the 30-60 million estimate might be off by a factor of, oh I don't know, maybe five. Rerunning the estimate above, using the most conservative possible interpretation, that means that the world can sustain at least 60 million people. Again, that's a lot more than the estimate of only 6 million.

1491 is a good book, by the way; I recommend it.

Posted by: Kim at December 22, 2006 09:23 AM

Sure, we are too many humans. The problem is how to reduce our numbers.
I honestly can't think of any fair way of doing this, we could stop treating people in hospitals, make new birth laws controlling how many children you can have ( Which would take alot of time before we see any major change ), Encourage wars (yay, global suffering), Move to a new planet(probably destroying that one too though).

There are probably loads of other ways, but i simply can't think of a good solution..

Posted by: Gustaf at April 13, 2007 02:28 AM

As I se it there are no resonable way of lowering the amount of humans in the world without it going terribly wrong, as in mass riots when richer people can (buy their way out) so to speak. The only thing i can se is that humanity will be decimatead sooner or later by som manner of self inflictead cataclysm or disease. (or something in that manner)

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Posted by: Bbbvgoybv at October 25, 2007 01:13 PM

you are a total moron. that buffalo comparison was fucking retarded "oh theyre bigger than us so thats ridiculous" are you kidding me? what do you think these facts are saying, that if there are too many humans we'll be squished together?

Posted by: wow at June 17, 2008 01:24 PM

If we were all vegetarian plant species would die off....


I see you have a thing beneath the comment form that asks to prove that you're human. Maybe you should prove it yourself?

Posted by: Jy at August 6, 2008 02:03 PM

fuck all of you let the rich get more richer and let this damn planet and all its stupide humans die off

Posted by: simon at August 30, 2008 06:19 PM

Eat the rich, distribute the wealth to those who need it, This world is confusing.. when criminal turned rapper/musician can make millions,when a athlete can r-a-p-e,murder and make millions,when an adult actress/actor can make millions..who wants to be a doctor and get bitched at and not make as much? who wants to be a officer and get sued for any little thing? I think a politician is the way to go.,sit back,converse on useless topics,steal the peoples money,hookers,drugs,government gas card,sign me up. oh ya.,..i think murder is the way to go to bring the count down.If i should go,...oh well. For the greater good.

Posted by: A Cat at November 19, 2008 11:00 AM

The needed living space of a buffalo and the needed living space of a human have nothing to do with the size of the species. Some animals smaller in physical mass have much larger living territories than other much larger animals.

Humans are omnivorous. Vegetarian humans have to suppliment their diets with proteins via nuts, lentels and the like to maintain proper nutrition. Humans are not capable of, nor are they meant to, be strictly vegetarian. So no living on grass.

We humans have overrun the earth, crowded out other species, slaughtered anything that fought back against our encroachment, with our mighty technology and arrogant authority of might vs right, we have hunted those creatures that gave us goods into extinction, or captured and bred them, raising them in small cages until the day of their slaughter. We take without respect for boundary, all for the cause of Progress and Civilization.

Despite our actions, humans breathe in oxygen and exhale carbon dioxide. Trees and plants breathe in carbon dioxide and exhale oxygen. There is NOT enough vegetation on the planet to support merely our breathing needs, let alone anything else. It is the over-population of humans, added to the remaining populations of air breathing animals and the reduction of forests worldwide that is leading to the thinning of the ozone. We are behaving like crackheads because there isn't enough oxygen getting to our brains! What oxygen is in the air is mixed with car exhausts and cigarette smoke. It's a wonder we're not all retarded by the age of 20, or are we?

I don't know what the ideal number of humans on the planet should be for allowing harmony between all species. I do know that our technology has made us powerful, albeit childish gods on this planet. Maybe one day the Universe will set it right, Mother Nature keeps trying anyway. I doubt we'll ever learn to weild our power responsibally.

Posted by: Dylan at January 9, 2009 10:11 PM

How many people here have researched both sides of the story and actually know what they're talking about, let alone getting mad about. Its a debatable topic but no so much that people should call their own race morons and use profanities. Besides scientists are constantly studying the subject and constantly coming up with more information to support both sides of the topic.

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Posted by: fasfg at November 29, 2009 11:41 AM

Fact is, there are too many humans on this planet and it doesnt make a difference if it can 6 million or 60 million of us, we're stil thousands of times over the sustainable limit. Our civilisation has be structured so that no one really cares even with the evidence everywhere, it hasnt really affected their lives yet has it?

Every mammal on this planet instinctively develops a natural equilibrium with the surrounding environment, but humans do not. We move to an area, we multiply and multiply, until every natural resource is consumed. The only way we can survive is to spread to another area. There is another organism on this planet that follows the same pattern. A virus. Human beings are a disease, a cancer of this planet, we are a plague, and only our destruction is the cure.
Doctors and peace protestors, though they mean well, are short sighted and are only two examples that are worsening our effect on this planet, with people being cured and able to live longer and with everyone being against kiling eachother less humans are dying in the same amount of time 500 years ago, the solution, limit the number of humans allowed to be born in each country, keep advancing our knowledge and technology but restrict how we use them and the final one, most people will speak against this more than the rest.. kill a percentage of the populace in each area, rich and poor alike, but keep it in proportion. the entire UN would need to agree with this though as wars fought between nations would have the potential to theoretically blow up the earth thousands of times due to nukes etc so nations would have to kill the people off themselves, though polititions and the rich and famous should have an equal chance of dying.

You wanted solutions for lowering the population, thats all there is, the only other thing would be to move to another place such as the moon or another planet, dispite the nearest known planet with the right condition to support us being a few thousand light years away and the moon being too smal to sustain a large amountt of people, also, with the moon slowly coming closer to earth the added mass would increase the effect of the earts gravity and pull it in faster, speeding up another way for earth to be destroyed

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