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Debunking the Climate Scam

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5000 Years Of Climate Change From Greenland Ice Cores

Review of the

“Ocean Acidification”


November 3, 2009

Gordon J. Fulks, PhD

(Preliminary Draft)

Disclaimer: This paper was prepared without compensation. The author is not

employed by any of the parties having a financial interest in this topic.

Gordon J. Fulks and Associates

La Center, Washington USA


Despite a sophisticated effort to promote a new scare about “ocean acidification” that is basically an

offshoot of the Global Warming scare, there is no scientific evidence that the new scare has any

validity. Our oceans are mildly alkaline or basic with an average pH of about 8 that can vary in time

and/or location by about 0.2 up or down. That remarkable stability is maintained by the buffering

action of calcium carbonate which is widely abundant. Increasing atmospheric carbon dioxide from

whatever source (man-made or natural) will increase the carbonic acid content of the oceans as some of

the atmospheric carbon dioxide dissolves in sea water. But the strong buffering action of calcium

carbonate will keep the average pH close to 8.0. Hence no significant change in ocean alkalinity is

expected. The oceans have not and will not become acidic over large areas as claimed by Al Gore.

The only concern might be the health of some ocean creatures that use calcium carbonate (especially

the aragonite crystalline form) for their shells. If there is insufficient calcium otherwise available in a

particular area to buffer the additional CO2 coming into solution, then the sea creatures in that area

could lose some shell material to the buffering process. This will not threaten the overall survival of

corals because we know they have survived far greater levels of atmospheric carbon dioxide than man

can ever create by burning fossil fuels. Corals are very survivable creatures as evidenced by their

existence on earth for hundreds of millions of years, far longer than man.


An essential conclusion of this paper for policy makers is that they should not reward applicants for

grants who use scare tactics in their pursuit of research funds. Doing so only encourages others to use

the same approach. Also, it is unlikely that those who exaggerate the value of their research as

“absolutely vital” to the survival of the planet will do an honest job with their research.

Ocean research should continue at appropriate levels (not expanded levels), but only with those who do

not employ scare tactics. The peer review process needs to be strengthened such that papers for

publication are reviewed by competitors of those seeking to publish, not just those who are friends or

close associates. Journals (especially Science and Nature) need to enforce rules about data archiving

and release, so critics can see if authors are really following accepted standards of academic excellence.

Those caught cheating need to punished. If Science and/or Nature continue favoring one line of

reasoning (eg., Global Warming) over all others, their access to federal money should be restricted or


Climate science needs to be returned to the fundamental dialectic of all science. Theory and

observation must be clearly separate pursuits that compliment each other and enforce objectivity.

Allowing theory and simulations to become the new standard of rigor is to permit the disintegration of

objectivity. Allowing government bureaucrats to decide which theories and simulations are worthy of

funding further erodes objectivity. The ultimate arbiter in all questions of science is real evidence

obtained by truly independent researchers. The standard of objectivity in all human pursuits is

independence from conflicts of interest, especially financial conflicts of interest.


Over the last twenty plus years, we have seen a proliferation of scientific scams based on Al Gore's

theory of Anthropogenic Global Warming caused by man-made carbon dioxide. All have similar

characteristics, including a thread of truth woven into a narrative about an apocalypse that sounds both

convincing and frightening to those without scientific training.

To many of those with scientific training it has become a dream come true with almost unlimited

government funding available. All these scientists need do is profess a belief in Global Warming and

convince a government agency that their studies address “the problem.” Of course their studies never

address crucial questions such as the role man is actually playing in the changes they observe. Even if

they observe changes that clearly indicate cooling rather than warming despite an increase in

atmospheric carbon dioxide, they go on as though everything is fine with the underlying hypothesis.

Amongst those who owe their jobs to AGW, there is no doubt that Al Gore is correct.

To focus attention on their area of expertise and build public support for their efforts, too many

scientists have taken to issuing press releases that highlight their work and point to some “grave

concern” about a rapidly approaching “tipping point.” Of course, we are not quite there yet and just

might be able to avoid the apocalypse if the government significantly increases their funding. The

grave concern could be anything from the melting of the Arctic Tundra, the melting of the Arctic Pack

Ice, the melting of the Greenland Ice Cap, warming in West Antarctica, and rising sea levels to a

particular species migrating or under stress and the oceans acidifying to the point where much of the

life within will be destroyed. The point they wish to drive home is that we just might be able to save

the planet if we support their research efforts. The problem is never so dire that all hope is lost or so

inconsequential that it can be ignored. Just support more money for them, and the planet will be saved!

Another advantage to having a long list of concerns is purely practical. When the climate stubbornly

refuses to warm as the UN IPCC maintains it must, Alarmists can easily shift attention to something

else until the climate naturally cycles back to a warm phase.

Just a little knowledge of the natural phenomena under consideration is necessary to spot the essential

hoax: on a fluid planet with vast oceans and atmosphere, many physical and biological processes are

constantly changing for completely natural reasons. The only thing that would be truly unnatural

would be for everything to remain constant. Yet those without scientific training are easily sold on the

idea that change is unnatural and must be avoided at all costs. That's rubbish and dangerous.

When finally cornered, many proponents of the apocalypse fall back on the “zero risk” argument. They

argue that we should follow their recommendations for reducing per capita carbon emissions to levels

not seen since the 19th century to eliminate ALL RISK. That betrays a lack of understanding of risk,

which is never zero. If we were to return to a primitive 19th century lifestyle without the energy that

drives our modern economy today, our life expectancy could drop sharply to what is was then. The

world as a whole would be far worse off, because a modern mechanized society is necessary to support

the world's present population. A return to the past, even if it were possible, is not progress, it is



Here is the hypothesis from Al Gore:

“Carbon dioxide pollution is changing the very chemistry of our oceans. Ocean acidification is already

underway and is accelerating. A recent paper published in the journal Science described how the

seawater off the coast of Northern California has become so acidic from CO2 that it is now corrosive.

To give some sense of perspective, for the last 44 million years, the average pH of the water has been

8.2. The scientists at Scripps measured levels off the north coast of California and Oregon at a pH of

7.75. Coral polyps that make reefs and everything that makes a shell are now beginning to suffer from

a kind of osteoporosis because of the 25 million tons of CO2 absorbed by the oceans every 24 hours.”

This is mostly nonsense. First of all, the oceans are mildly basic or alkaline not acidic, with an average

pH of about 8. Figure 1 shows the pH scale with the pH of common solutions indicated. Freshly

distilled water is neutral at 7. Rain water is much more acidic at 5.6 because of dissolved CO2, beer

still more acidic at 4.3, and carbonated beverages still more acidic because they contain phosphoric

acid in addition to their carbonation. Soda can be nearly as acidic as lemon juice.

The oceans are almost as basic as a solution of baking soda (sodium bicarbonate) but far from as

corrosive as bleach or lye. If the ocean pH is shifting at all, it is shifting ever so sightly toward neutral.

There is nothing in the scientific literature to suggest in any way under any circumstances that the

oceans will become acidic. That's just Gore's imagination running wild. Scientists do talk about

decreases in pH moving the solution toward acidic or increases moving it toward basic. In other words,

diluting a solution of sodium hydroxide (lye) could be technically described as acidifying it, but it will

never become acidic! Nor should one give the wrong impression by describing conditions at, for

instance, Vostok in Antarctic as “warming” when the temperature rises from -100 F to -95 F. It never

gets warm there, just less cold.

Figure 2 shows a set of calculated values of pH for most of the world's ocean surfaces from Reference

1. As is typical of such charts, the distinction between actual measurements and imaginative simulation

is blurred. We assume, for our purposes here, that this comes close to reality, at one point in time.

Note that the lowest pH shown is about 7.9 and the highest about 8.2. There is no “acid” off the

Northern California coast and even where the pH of the ocean surface is lowest, it is still solidly basic.

In areas where large quantities of fresh water pour into the oceans (such as at the mouth of the Amazon

river), it may be possible to observe water that is slightly acidic, because fresh water is generally a little

acidic (pH less than 7). Figure 1 suggests that river water has a pH of about 6.

There are indications that corals in some areas suffer from the effects of man – but for much more

mundane reasons like mechanical damage, overfishing, water pollution, or sedimentation. (Reference


Humans release about 23 million metric tons of carbon into the atmosphere every day as carbon

dioxide. Measurements of atmospheric carbon dioxide show that it is only increasing by about 11

million tons per day. If we assume that all of this increase is human caused (in line with Gore), then

12 million tons must be going elsewhere. There are two general possibilities for “elsewhere:” the

Figure 1. The pH scale showing values for typical aqueous solutions. (from Wikipedia)

biosphere and the oceans. From seasonal variations in atmospheric carbon dioxide, it is clear that the

biosphere is capable of absorbing all of this. But for our purposes here, let us assume that roughly half

disappears into the biosphere and half into the oceans. Some shows up as increased crop production,

for instance, better yields per acre for corn. That leaves about 6 million tons going into the oceans

where it likely ends up eventually sequestered in the deep ocean. Six million tons per day my seem

like a lot, but is tiny compared to the amounts naturally in play. We humans exhale about 2 million

tons of carbon per day just by breathing! If we inflate these numbers by a little more than a factor of

three by counting the atmospheric oxygen that goes into making the CO2, as Gore does, we still get

less than he claims is going into the oceans. In other words, Gore's numbers are exaggerated.

Figure 2. Calculated ocean pH (presumably based on some measurements). (Reference 1)


The British Royal Society presents the same hypothesis as Gore but with much more sophistication that

makes it seem more plausible:

“The oceans are absorbing carbon dioxide (CO2) from the atmosphere and this is causing chemical

changes by making them more acidic (that is, decreasing the pH of the oceans). In the past 200 years

the oceans have absorbed approximately half of the CO2 produced by fossil fuel burning and cement

production. Calculations based on measurements of the surface oceans and our knowledge of ocean

chemistry indicate that this uptake of CO2 has led to a reduction of the pH of surface seawater of 0.1

units, equivalent to a 30% increase in the concentration of hydrogen ions.

If global emissions of CO2 from human activities continue to rise on current trends then the average

pH of the oceans could fall by 0.5 units (equivalent to a three fold increase in the concentration of

hydrogen ions) by the year 2100. This pH is probably lower than has been experienced for hundreds of

millennia and, critically, this rate of change is probably one hundred times greater than at any time

over this period. The scale of the changes may vary regionally, which will affect the magnitude of the

biological effects.

Ocean acidification is essentially irreversible during our lifetimes. It will take tens of thousands of

years for ocean chemistry to return to a condition similar to that occurring at pre-industrial times

(about 200 years ago). Our ability to reduce ocean acidification through artificial methods such as the

addition of chemicals is unproven. These techniques will at best be effective only at a very local scale,

and could also cause damage to the marine environment. Reducing CO2 emissions to the atmosphere

appears to be the only practical way to minimise the risk of large-scale and long-term changes to the


All the evidence collected and modelled to date indicates that acidification of the oceans, and the

changes in ocean chemistry that accompany it, are being caused by emissions of CO2

into the atmosphere from human activities. The magnitude of ocean acidification can be predicted with

a high level of confidence. The impacts of ocean acidification on marine organisms and their

ecosystems are much less certain but it is likely that, because of their particular physiological

attributes, some organisms will be more affected than others......

Research into the impacts of high concentrations of CO2 in the oceans is in its infancy and needs to

be developed rapidly. We recommend that a major, internationally coordinated effort be launched to

include global monitoring, experimental, mesocosm and field studies. Models that include the effects

of pH at the scale of the organism and the ecosystem are also necessary. The impacts of ocean

acidification are additional to, and may exacerbate, the effects of climate change. For this reason,

the necessary funding should be additional and must not be diverted from research into climate


The last paragraph in this quotation was set in bold type by the Royal Society and needs to be read with

the impact they intended. It is both an admission that very little is really known about the effects of

atmospheric CO2 on the oceans and a plea that governments should set aside huge new sums of money

to fund research in this area. They want the funding to be in addition to the vast funding of Global

Warming so as not to be placed in competition with their friends on the Global Warming side. The last

thing they want is for Global Warming scientists to argue against their proposed ocean efforts to protect

their own research money.

Since the Royal Society paper is a proposal for huge sums of money to conduct new research, since the

basic tactic of presenting an apocalyptic view is completely self-serving, and since they never clearly

distinguish between what is known based on hard evidence and what is speculative theory, it is hard to

take this paper too seriously. Yet this paper is also a semi-competent review article or what passes for

one in today's advocacy science. It is one of the primary sources that is quoted today. So let us look at

what they say and more importantly what they leave out or ignore that someone not seeking money

might argue.

We all agree that atmospheric carbon dioxide combines with water to form a mild acid, carbonic acid

H2CO3. This makes everything from rainwater to beer slightly acidic. But the hydration equilibrium

constant is quite small, so most of the CO2 in water remains as CO2. Carbonic acid is important for

everything from cave formation in limestone to the transport of CO2 and the buffering of pH in

mammalian blood. But H2CO3 is very unstable and readily reverts to CO2 and water. Soft drinks,

beer, and bubbly wine can be made with H2CO3 but will easily give up their carbonation if shaken or


According to Henry's Law the concentration of CO2 in the air above an aqueous solution of CO2

should maintain a proportionality. In other words, a doubling of atmospheric CO2 should result in a

doubling of CO2 in the aqueous solution at a constant temperature in the absence of buffering. But if

the temperature of the aqueous solution goes up, the solution can hold less gas and will out-gas some of

its stored CO2 to the air above. This is the likely explanation for the observed lag between atmospheric

temperature and atmospheric CO2 concentration in the ice core data that shows climate history going

back almost a million years. The air warms followed by the ocean warming and giving off CO2

centuries later.

With CO2 and H2CO3 in sea water, we get bicarbonate ion production as H2CO3 splits into H+ and

HCO3-. But at the same time the carbonate ion present from calcium carbonate (CaCO3) splitting into

Ca++ and CO3-- reacts with H+ to produce bicarbonate ion, HCO3-. This is a classic buffering

process. The carbon dioxide entering the water causes a slight decrease in pH followed by a shift back

to higher pH by the dissolution of calcium carbonate, and the uptake of hydrogen ions to form

bicarbonate ions. The oceans have vast stores of calcium carbonate available for this buffering.

Hence the ocean pH has to remain very close to 8.0. There is no net acidification even though this

scare has been given that name.

It is remarkable that alarmist scientists continue to use terminology in headlines and summaries that

they argue deeper in a paper cannot represent reality.

The concern that they raise is the dissolution of calcium carbonate in the buffering process will harm

the ability of sea creatures such as corals to grow or to maintain shells. They admit that the oceans

have an abundance of calcium carbonate for the buffering process but assert that ocean mixing is

insufficient to make the great stores in sediments available in timely fashion. Hence they argue that sea

creatures will suffer as they become the buffering material close to the ocean surface.

To make matters more complicated, calcium carbonate occurs in two crystalline forms in sea creatures:

calcite and aragonite. Aragonite is more soluble than calcite; hence sea creatures using this form of

calcium carbonate could be more easily harmed in the assumed scenario. Alarmists produce beautiful

computer graphics showing simulated ocean conditions for aragonite from before the Industrial

Revolution (1765) through the future (2100). See Figure 3. Such simulations are likely the source of

claims that ocean conditions and pH have changed markedly since the 1700s. There have certainly

been no measurements except in very recent times. The pH scale was not even invented until the early


Even today there is no reliable, global monitoring of ocean pH, although there have been some global

measurements at one point in time as shown in Figure 2. Hence, there is no reliable way to tell whether

pH has changed significantly due to any cause, let alone to man.

If measurements had been made in prior centuries, they would likely have shown different ocean

conditions, much as we know that climate conditions have changed observably over time. But it is

ludicrous to attribute these to anthropogenic carbon dioxide in the 1700s, 1800s, or early 1900s because

the large increase in man-made carbon dioxide did not occur until after the Second World War. ANY

study of varying conditions on earth MUST first eliminate natural causes before attributing variations

to man. Failure to do that renders the conclusions invalid.

Anthropogenic carbon dioxide is a minor player in the overall carbon cycle on the earth. Each year

man releases about 8.5 Gt of carbon into the atmosphere from the burning of coal, oil, and natural gas

as well as the production of cement and breathing. Humans exhale about 0.6 Gt of carbon

as CO2 that originated in plants. (1Gt = 10exp15 grams = 10exp12 kg = one billion metric tons).

The atmosphere as a whole contains about 780 Gt of carbon; the surface of the oceans contain about

1,000 Gt of carbon; vegetation and soils contain 2,000 Gt of carbon; and the intermediate and deep

oceans contain 38,000 Gt of carbon. Each year, the ocean surface and atmosphere exchange an

estimated 90 Gt of carbon; vegetation and the atmosphere about 100 Gt of carbon; marine biota and

the ocean surface about 50 Gt of carbon; and the ocean surface and the intermediate and deep oceans

about 40 Gt of carbon. All of these numbers are greatly larger than the human contributions,

indicating that man's effects are small but not completely insignificant. (Reference 3)

Since these natural reservoirs for carbon are highly coupled and constantly interacting in complex ways

with far greater exchanges of carbon than man's contribution to the atmosphere, it is not obvious where

the small human contribution goes. Measurements of atmospheric carbon dioxide show an increase of

only 4 Gt/year of carbon. Hence the remaining human contribution must be absorbed elsewhere. Some

(but certainly not all, as the Royal Society maintains) can be going into the oceans. Much of it is

probably going into the biosphere (on land and sea). At 388 ppm, the earth's atmosphere has a very

low concentration of carbon dioxide that inhibits plant growth. If the concentration falls below 200

ppm, plants cannot grow and will die. They prefer about 1,000 ppm. Recent increases have been

enormously beneficial.

From radioisotope studies, we know that an average molecule of carbon dioxide spends about 5 years

in the atmosphere. It is frequently estimated that half those molecules leaving the atmosphere go into

the ocean surface and half into land vegetation. But this has to vary with ocean surface temperature

and growing conditions on land. A warming ocean will naturally out-gas CO2 (as we see in the ice

core data) but should not out-gas as much if man is already augmenting atmospheric CO2. In that case,

the “excess” man-made CO2 should move more into vegetation (on land and sea) by benefiting growth

Figure 3 Simulated aragonite saturation states of the surface ocean: past, present, and future.

(Feely et al 2006 and Reference 4)

and less into solution in the oceans. Under cooling conditions, the opposite should be true.

The oceans are anything but uniform in temperature and have complex circulation patterns that make

the carbon sequestration picture much more complex. But the fact remains that the human part of the

carbon cycle is very small and can never become huge because most of the carbon on this planet (that

was probably found originally in a primordial atmosphere as CO2) is now tied up in non-burnable

rocks such as limestone or marble not as coal, oil, or natural gas.

Another perspective for judging the survivability of calcium carbonate creatures like coral under ocean

changes that may occur in the future (due to natural or man-made causes) is to look far back in the

geological record. Calcite corals are known to have evolved during the Cambrian era, 550 million years

ago. At that time there was twenty times as much CO2 in the atmosphere as there is today. The more

delicate aragonite corals evolved 175 million years ago, in the Triassic era, when there was also about

twenty times as much CO2 as there is today. Corals are obviously capable of adapting to huge changes

in atmospheric CO2, whatever the resulting changes in sea water alkalinity. They have also survived

the large variations in sea level that come with each transition between an ice age and interglacial

period. When sea level drops dramatically at the onset of the next ice age, many corals will be left high

and dry to die. But those remaining will just set up housekeeping where the new conditions are most

appropriate for them. Every creature and plant on earth will do the same thing or perish.

Corals for all their delicate appearance have been extremely resilient over the earth's history, even

surviving the geologic event that killed off the dinosaurs. The far more delicate creature, that will have

much more trouble surviving natural climate variations certain to occur, is man. Of course, he has a

brain but often does not use it.


1) “Ocean acidification due to increasing carbon dioxide,” The Royal Society (policy document),

ISBN 0 85403 617 2, June 2005.

2) “Humans Are Destroying Earth's Coral Reefs …,”CO2 Science, Volume 12, Number 41: 14

October 2009.

3) “Environmental Effects of Increased Atmospheric Carbon Dioxide,”Arthur B. Robinson, Noah

E. Robinson, and Willie Soon, Oregon Institute of Science and Medicine, 2251 Dick George

Road, Cave Junction, Oregon 97523.

4) “Impacts of ocean acidification on coral reefs and other marine calcifiers,” Report of a

workshop sponsored by NSF, NOAA, USGS,” JA Kleypas, et. al., June 2006.

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