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We cannot drill our way out of this oil crisis. Since 2000, oil companies working in the U.S. have doubled the number of wells drilled per year.

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Peakoil.com :: View topic - Malthus, the false prophet
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Malthus, the false prophet
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anagami
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PostPosted: Fri May 16, 2008 11:04 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

BigTex wrote:
Malthus was right, he just didn't fully grasp the concept of overshoot and how the effects he predicted wouldn't be felt until the technology induced state of overshoot had reached its limits.

We will see that soon enough, and everyone will recognize how obviously correct his analysis was--i.e., exponential population growth and linear food production growth cannot last long without big problems occurring.


...and it is such an obvious answer. I know it's weak logical argumentation, but Malthus hypothesis and conclusion are common sense. Razz
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OilFinder2
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PostPosted: Fri May 16, 2008 11:52 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

MrBill wrote:
but certainly anecdotal evidence seems to suggest that we are at an inflection point now where those gains are starting to fall behind steeper increases in population growth,

There are no "steeper increases in population growth." The rate of human population growth has been slowing down for at least 40 years.


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Last edited by OilFinder2 on Fri May 16, 2008 11:56 pm; edited 1 time in total
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OilFinder2
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PostPosted: Fri May 16, 2008 11:55 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

jedinvest wrote:
The fact that the financial community's MSM repeats incessantly how wrong Malthus was, should be a clue to how right he was and is.

Well then, if the MSM repeats incessantly that we're at or near peak oil (which they do), that should be a clue to how wrong they are. Razz
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BigTex
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PostPosted: Sat May 17, 2008 12:08 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

OilFinder2 wrote:
MrBill wrote:
but certainly anecdotal evidence seems to suggest that we are at an inflection point now where those gains are starting to fall behind steeper increases in population growth,

There are no "steeper increases in population growth." The rate of human population growth has been slowing down for at least 40 years.



Any growth rate above 0% is exponential over time.
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OilFinder2
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PostPosted: Sat May 17, 2008 12:19 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

BigTex wrote:
Any growth rate above 0% is exponential over time.

Then the same is true of agricultural production growth.


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BigTex
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PostPosted: Sat May 17, 2008 12:22 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

OilFinder2 wrote:
BigTex wrote:
Any growth rate above 0% is exponential over time.

Then the same is true of agricultural production growth.



Except the amount of arable land is not increasing at all.
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OilFinder2
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PostPosted: Sat May 17, 2008 12:30 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

BigTex wrote:
Except the amount of arable land is not increasing at all.

How do you know?

And since production has been increasing, why would it matter?
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virgincrude
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PostPosted: Sat May 17, 2008 2:00 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

Oilfinder2, I have to admit, I like your posts. I enjoy entertaining the opposite to the general consensus. These days, and for a long long time, society has led us to assume the glass is always half full, there is never any Good News. Good News is deemed childish, suspect, and we do our damndest to anull it.

I hate the way people maintain their 'glass half full' posture: "No No Dammit! It's NOT going to be okay I tell you! It's not ! It's NOT!!" Generally on this forum we're in posession of a little bit more information than the average guy (patting ourselves on the back by joining the disussions, knowingly) but underneath it all, we're still basically an ignorant bunch of wankers, sounding off. Constantly reaffirming our glass half full vision.

The truth is, it's never easy to imagine the future, always easier to foresee death and destruction, miserable failure rather than success. Those things are easier to see in the mind's eye than the childishly hopefull better outcome we don't really know as a solid truth. It has become a prerequisite to entering adulthood, to assume an aura of sad pessimism and knowing foresight which predicts that the end of the world (again) is nigh, and we're responsible and there's nothing (nothing I tell you!) we can really do .... what a cop out, what a failure to engage all our potential. Just lie down like dogs, moaning ocassionally. And barking at anybody who tries to show an opposite.
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PostPosted: Sat May 17, 2008 3:59 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

Malthus expressed the fundamental idea of limits being reached eventually. As others would put it:



Of course, resource limits are "soft" in that they can be pushed up against hard ones through human agency.

The timing of such events and the measures we take to achieve this have been a rich source of debate for 200 years, but the natural conclusion is indisputable. No critic of Malthus successfully argues the fundamental idea is wrong, only that a hard limit was not reached in some interval and that our civilisation will not be run to the limit, which is distant.

That is all the debate comes down to, distance and intervals. The idea remains true, it is fundamental, even critics must argue within its framework whether they realise it or not.

It is absurd how we have turned recognition of a fundamental concept into a loaded political act, yet it is not the first time.
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PostPosted: Sat May 17, 2008 7:45 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

OilFinder2 wrote:
BigTex wrote:
Except the amount of arable land is not increasing at all.

How do you know?

And since production has been increasing, why would it matter?


Infinite willful ignorance aside,


"Worldwide the amount of cropland per capita has declined due to population growth. North America and the former USSR have substantially more cropland per capita than the rest of the world.
The first global survey of soil degradation was carried out by the United nations in 1988-91. This survey, known as GLASOD - for Global Survey of Human-Induced Soil Degradation, has shown significant problems in virtually all parts of the world. The yellow line in each panel shows the global cropland area per person. Obviously, this indicator is a function of two factors: human population and cropland area. It has shown a steady decline in the 30 years from 1961 to 1991, amounting to a decrease of between 20 and 30%. The figure illustrates the regional changes that have accompanied this global change. North and central America and the former USSR are regions with significantly higher cropland areas per capita. However, all regions, including these, have shown decreases. South America croplands have declined at a rate that is slower than the global average, while African per capita croplands have declined at a greater than average rate."

Link:
http://www.globalchange.umich.edu/globalchange2/current/lectures/land_deg/land_deg.html


There are some very good charts as well. Someone who knows how to post them here, please do.
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PostPosted: Sat May 17, 2008 11:05 am    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

"Key charts, maps and statistics about the world's food supply and global soil"

""Over the past 40 years, approximately 30% of the world's cropland has become unproductive."2

"During the past 40 years nearly one-third of the world's cropland (1.5 billion hectares) has been abandoned because of soil erosion and degradation." 7

"About 2 million hectares of rainfed and irrigated agricultural lands are lost to production every year due to severe land degradation, among other factors." 8

"It takes approximately 500 years to replace 25 millimeters (1 inch) of topsoil lost to erosion. The minimal soil depth for agricultural production is 150 millimeters. From this perspective, productive fertile soil is a nonrenewable, endangered ecosystem."

Link: http://www.theglobaleducationproject.org/earth/food-and-soil.php
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mididoctors
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PostPosted: Sat May 17, 2008 1:45 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

OilFinder2 wrote:
BigTex wrote:
Any growth rate above 0% is exponential over time.

Then the same is true of agricultural production growth.



thats the wrong graph for comparasion.

you need to compare the RATE of agricultural production increase



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CrudeAwakening
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PostPosted: Sat May 17, 2008 4:27 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

OilFinder2 wrote:
BigTex wrote:
Any growth rate above 0% is exponential over time.

Then the same is true of agricultural production growth.


That graph looks pretty linear to me.
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PostPosted: Sat May 17, 2008 4:57 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

CrudeAwakening wrote:
OilFinder2 wrote:
BigTex wrote:
Any growth rate above 0% is exponential over time.

Then the same is true of agricultural production growth.


That graph looks pretty linear to me.


More importantly, I just don't see anything in the future that would make food production growth exponential. There will not be another fossil fuel catalyst to dramatically boost food production.

I am concerned about whether it will be possible to even maintain current levels of food production going forward.

Where in the past we had strong food production tailwinds (e.g., Green Revolution), we now seem to have a cluster of headwinds--e.g., global warming, crop disease, high fuel costs, high commodity costs, bee die-off, etc.
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PostPosted: Sat May 17, 2008 8:57 pm    Post subject: Re: Malthus, the false prophet Add User to Ignore List Reply with quote

mididoctors wrote:

thats the wrong graph for comparasion.

you need to compare the RATE of agricultural production increase



Boris
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Then if you want to do that, you can compare your graphic to the one I already showed showing the RATE of population increase.


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