Another eye-roller: Global warming will make you sneeze more

John Cook’s absurd kitten sneeze analogy for warming

Eric Worrall writes: We’re all set to sneeze more often as the globe warms, according to a new study published in PLOS One.

According to the abstract;

“One expected effect of climate change on human health is increasing allergic and asthmatic symptoms through changes in pollen biology. Allergic diseases have a large impact on human health globally, with 10–30% of the population affected by allergic rhinitis and more than 300 million affected by asthma. Pollen from grass species, which are highly allergenic and occur worldwide, elicits allergic responses in 20% of the general population and 40% of atopic individuals. Here we examine the effects of elevated levels of two greenhouse gases, carbon dioxide (CO2), a growth and reproductive stimulator of plants, and ozone (O3), a repressor, on pollen and allergen production in Timothy grass (Phleum pratense L.). We conducted a fully factorial experiment in which plants were grown at ambient and/or elevated levels of O3 and CO2, to simulate present and projected levels of both gases and their potential interactive effects. We captured and counted pollen from flowers in each treatment and assayed for concentrations of the allergen protein, Phl p 5. We found that elevated levels of CO2 increased the amount of grass pollen produced by ~50% per flower, regardless of O3 levels. Elevated O3 significantly reduced the Phl p 5 content of the pollen but the net effect of rising pollen numbers with elevated CO2 indicate increased allergen exposure under elevated levels of both greenhouse gases. Using quantitative estimates of increased pollen production and number of flowering plants per treatment, we estimated that airborne grass pollen concentrations will increase in the future up to ~200%. Due to the widespread existence of grasses and the particular importance of P. pratense in eliciting allergic responses, our findings provide evidence for significant impacts on human health worldwide as a result of future climate change.”

As someone who suffers asthma and hay fever, and who lives on the edge of a large tropical botanic garden, I’ve got some simple advice for anyone worried about rising pollen levels in a warmer world. Rather than shutting down industrial civilization, buy the  full strength anti-histamine pills.

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November 6, 2014 4:55 am

Well I have a simple solution. Kill all the plants. There, thats done.

Reply to  Alx
November 6, 2014 5:55 am

You may laugh. Extreme Green holds that all life is a ghastly mistake and the planet should be returned to sterile simplicity.

Reply to  Kevin Lohse
November 6, 2014 7:33 am

Good idea lets start with extreme geens. 🙂

Reply to  Kevin Lohse
November 6, 2014 10:24 am

If that’s the case, “Extreme Green” isn’t green at all. Instead of green, they should refer to themselves as a brown movement.

Jeff Alberts
Reply to  Kevin Lohse
November 6, 2014 6:34 pm

Extreme Brown would be more appropriate, since papers like this one are huge steaming ploppers. Published in PLOPPER One.

Reply to  Alx
November 6, 2014 6:51 am

I thought they said global warming would kill the plants and put us in the desert. At least they came to the realization that CO2 fosters the flora… Oh, forgot, anything with potential negative effects is undoubtedly AGW. After all, that’s the consensus. That settled my science, huh…

Reply to  Alx
November 6, 2014 10:30 am

Removing all CO2 “pollution” from the atmosphere would do just that — kill all the plants, and then all the animals, too. On the bright side, there would be no more allergies. So, in that sense, CO2 does cause allergies, but the cure is worse than the disease.

Gentle Tramp
Reply to  Louis
November 6, 2014 1:37 pm

Pssst! Don’t tell mankind that CO2 is essential plant food. This information is not political correct any more!
I don’t kid you! Did read it just yesterday in a modern European science school book for “freshman”-age pupils: “Plants need for their growth sunlight, minerals, water and AIR (sic!)”. Obviously the authors did not like telling the truth, that plants need especially the CO2 in the air. But the very same book claims on other pages without any doubts that CO2 is a dangerous greenhouse gas which must be reduced most urgently…
Well, that’s a striking example of the ruling climatism ideology of our age – unfortunately!

Reply to  Alx
November 6, 2014 9:54 pm

“Kill all the plants.”
Hey, they are already trying to starve them.. what’s one step further !!

November 6, 2014 4:56 am

Total rubbish. I have been a hayfever sufferer since birth. You do not ”catch it” you are born with it. It can be easily controlled with a tablet a day.

Reply to  johnmarshall
November 6, 2014 5:57 am

Not quite. It’s an immune system response that’s acquired by exposure to an allergen. From personal experience, medication isn’t always a help, but the reaction can diminish over time.

Reply to  Gary
November 6, 2014 6:01 am

I agree there are some people who have a severe reaction to allergens. However all but the most extreme alarmists understand we won’t be hitting 800ppm for at least a few decades. If the science of treating immune response disorders hasn’t advanced dramatically, long before the CO2 levels described in the abstract become a reality, I shall be very surprised.

Reply to  Gary
November 6, 2014 10:53 am

I have sufferd from asthma since a child and it was bad enough that I used the relevant puffers severl times a day.
Twelve years ago I went into hospital for a minor operation and went under the anaesthetic.
From that day to this I have not suffered from asthma . During the peak of the hay fever season I will be aware of runny eyes sometimes which, tragically, prevents me cutting the grass, but that’s it.
How this happened I do not know and no doctor has seemed interested in investigating.

Reply to  Gary
November 6, 2014 12:59 pm

My experience.
I grew up on the outskirts of London [to the NWxW 1/2 N – I’m not doing quarter points!], and I had no ‘hay fever’ symptoms.
I went to sea. Fine.
I did a summer at HQ (EC2Y 9BR), so pretty central. I found I had ‘hay fever’ – probably more related to diesel particulates than pollen.
I still suffer mildly (Thank goodness it is only mildly)

Frank Kotler
November 6, 2014 4:57 am

… and killer poison ivy. You’re gonna need an ocean, of calimine lotion.

Reply to  Frank Kotler
November 6, 2014 5:42 am

Poison ivy! That’s a good one!
I can see the headlines now:
stocks of Calamine lotion are expected to disappear…forecast mass epidemic of itching

Reply to  Frank Kotler
November 9, 2014 8:31 pm

Frank/Ric Here’s the actual study on poison ivy-
what’s “funny” is that the MSM articles say that the urushiol (the poison or skin reacts too) is also stronger- “There was a nonsignificant (P = 0.18) increase in urushiol concentration “. However,(Duh), C02 causes more plant growth, and the bigger plants have more urushiol per plant…..
(Of course this assumes that distribution of manmade C02 is even amongst all the plants of the world , (and that some plants don’t use up more of it). (Ie would poison ivy growing nearer to a freeway, be bigger than the stuff in the middle of the forest?)

M Courtney
November 6, 2014 5:03 am

Warmer and more CO2 means more pollen.
Seems reasonable to me.
It also means more plant life and thus more food.

David A
Reply to  M Courtney
November 6, 2014 3:15 pm

Yes they found a negative in the fact that global crop production increases 20 percent with no increase in water or land, and they only talked about the potential increase in hay-fever. (But what the hey, on the other hand it may be their first confirmed negative from abundant CO2.)

November 6, 2014 5:05 am

And all this alarmist propaganda pseudo-science horse dump gives me diarrhea.

Reply to  Dave
November 6, 2014 6:58 am

Another symptom of AGW.

John the Cube
November 6, 2014 5:09 am

Goodness it’s getting deep. We need a new band wagon!

Green Sand
November 6, 2014 5:17 am

Atishoo atishoo we all fall down!

Reply to  Green Sand
November 6, 2014 6:59 am

I think the green horse throo a shoo on this one.

November 6, 2014 5:17 am

Hey, this one may even make some sense! But it comes with a negative feedback that they conveniently ignore. As more and more people suffer more and more from more and more severe allergic responses, more and more would be investigated on that field until a better solution was found and nobody had allergies any more, therefore reducing the sneezes. See?

November 6, 2014 5:31 am

“Global warming will make you sneeze more”
That should be “Global warming Hysteria will make you sneeze more”. I am allergic to the stupidity of the alarmists.

David A
Reply to  markstoval
November 6, 2014 3:17 pm

Ringo Starr was talking about global warming in his song “no thank you please”?

Reply to  David A
November 6, 2014 5:57 pm

That’s a Hoyt Axton song, son.

November 6, 2014 5:34 am

It sounds like they’re running out of things caused by CAGW.
Here’s some new topics that might keep them going for a while. How about:
Road Rage/Melanoma/Athletes’ Foot/Marriage Breakup/Alcoholism/Flea Infestation/Mental Illness/Petrol Prices/Voting Irregularities/Homelessness.
There you go. Plenty for at least 12 month’s supply of Press Releases.

Reply to  Tim
November 6, 2014 5:50 am

I can picture a group of scientist grant seeking wannabes sitting around discussing what to work on next. ‘How about CAGW causes lice? No already a paper on that. Syphillis? No, already a paper on that. Early menopause? No already a paper on that’

Reply to  Tim
November 6, 2014 7:02 am

Don’t forget legal Marijuana.

Evan Jones
Reply to  Dawtgtomis
November 7, 2014 3:39 am

Who ever forgets that?

Reply to  Tim
November 6, 2014 7:03 am

Well, here in MD, the way to lower gas prices is raise the gas tax. I kid you not, our current esteemed Lt. Governor (soon to be Ex Lt. Governor) said so during the just ended campaign! So, taxing CAGW should lower the temp if we extrapolate correctly.

Reply to  Tim
November 6, 2014 7:38 am

You forgot dog poop from the LA.Times. The EPA says we should flush it. Just google L.A. Times dog poop for yet more stupidity.

Stevan Makarevich
Reply to  Tim
November 6, 2014 12:00 pm

You omitted the most important one: inflamed hemorrhoids (because they surely are a pain the the rear).
November 6, 2014 5:47 am

Did the dinosaurs sneeze a lot? Pollen is found as far back as the Devonian. I think it got really warm back then….
: > )

John West
November 6, 2014 5:50 am

“carbon dioxide (CO2), a growth and reproductive stimulator of plants”
and pollutant

November 6, 2014 5:56 am

Monty Python was on to it…

November 6, 2014 6:00 am

Nice to see basic factorial/replicated experimental science still happens. I wonder though about their assumptions on the health impact.
Given pollen is fairly ubiquitous in areas with grasses, is the health response to more pollen really expected to be linear? It would seem there is at least a diminishing returns function, and in some areas may already be functionally saturated from a health perspective.
Besides, I thought all these plants were maladapted to a changing climate. How will they produce more pollen if they are dead?

November 6, 2014 6:00 am

Perhaps the learned scientists can tell us what causes asthma.
The simple fact is that the cause and cure of asthma remains unknown. Trying to tie a disease to climate change, when the cause of the disease is unknown is the worst kind of rubbish science.
Perhaps global warming holds the cure for asthma. Not saying it does, only that since no one knows the cure, you can’t rule out any possibility.

November 6, 2014 6:08 am

The Mayo Clinic says this about asthma:
Asthma triggers
Cold air
So, it could easily be said that global warming could reduce asthma.

November 6, 2014 6:13 am

Don’t the CAGW hopeful say the Climate Change is going to bring about more droughts and heatwaves, that will kill off the plants and thus reduce pollen?
So is this another case of global warming causing more/less snow/ice/whatever? What next. Global warming will cause people to grow taller/shorter? Clearly it isn’t making them any smarter.

November 6, 2014 6:17 am

Amazing. $100 billion in climate research to discover that CO2 makes plants grow faster.

Frank K.
Reply to  ferdberple
November 6, 2014 7:04 am

That was my thought exactly. So what is new about this??? Nothing!!
The modern science culture is SO screwed up. Fortunately we now have a congress which can put an end to this kind of useless research.

Gunga Din
November 6, 2014 6:19 am

Does Al Gore have stock in Kleenex?

Reply to  Gunga Din
November 6, 2014 7:11 am

He should be looking to buy the company that makes the Dollar General Substitutes.

November 6, 2014 6:26 am

yet my allergies act up more in cooler weather, 38- 40’s (F) and raining kill me.

Reply to  dmacleo
November 6, 2014 7:19 am

Exactly why this generalization is so ludicrous, since people tend to react to various allergens in different manners under different conditions, if there is a reaction at all.
These folks are committing credibility suicide. Soon even those with below average IQ will begin to find discrepancies.

November 6, 2014 6:30 am

2014 House of Representative Election Map – what a landslide looks like
ps. Can you add CC to your blogroll??

Ivor Ward
November 6, 2014 6:43 am

Lets hope is does not affect the nearly extinct polar bears and beached walruses, and make the Emperor penguins cough on their way across the vast areas of disappearing ice. Might get that damn snail that refuses to go extinct when told though.

Reply to  Ivor Ward
November 6, 2014 7:29 am

I wish climate change could wipe out the Chinese Carp that jump from the Mississippi River and smack me in the face before landing in my beer cooler! One of these days one’ll knock me overboard… or worse yet the beer…

Reply to  Dawtgtomis
November 6, 2014 9:39 am

and that is the mega problem- the spread of non -indigenous species causing the problems usually blamed on climate change- more fires, decline in indigenous species.

November 6, 2014 6:51 am

Nothing new and plenty of cited references in this very good article. See here the video and read the article:
Remember, allergic individuals started moving to a mostly desert Phoenix city to avoid asthma, then they started planting grass and trees shedding ………….Then they moved to Tucson and started….. Same results.
CO2 is also widely used for greenhouse enrichment in Colorado and Washington and soon will be started in other States to grow……
CO2 is our only gaseous fertilizer.

Terry - somerset
November 6, 2014 7:31 am

Unless the level of global CO2, climate, temperature etc are at some sort of optimal level for all living organisms (unlikely!!) then it must be the case that there are advantages and disadvantages to a changing climate.
Continual scare stories about the dire consequences of increased CO2 and associated temperature rises is fundamentally unbalanced. They further assume that no adaptation take place despite the ability of living organisms to evolve naturally, and (over varying timescales) are mobile.
Feeding the public with ever more negative impacts is clearly failing to materially change public perceptions on the issue. Greater balance in the research and arguments may lead to a more informed debate that a case for action is sensibly being made on the balance of probabilities. We are “all gonna burn” and in this research “all start sneezing” are clearly not effective arguments.
We still have not conclusively demonstrated that increased CO2 is responsible for climate change. Nor does model performance against actual data increase confidence that all the feedback loops and natural processes have been fully understood and properly incorporated into models.

Reply to  Terry - somerset
November 6, 2014 8:52 am

Indeed, as you mentioned, we adapt. Changes were made in Phoenix and it is no longer considered a very high pollen city. We can plant trees, etc. with less impact as given here:
However, I don’t think the issue here is climate warming or climate change. The issue is CO2 itself. Clearly it has been increasing.
I will not speculate on the source of this increase or if it is responsible for climate change.
The increase in CO2 concentration is clear and the beneficial effects on plants are clear also. However, too much of a good thing can begin to induce detrimental effects. I don’t really care about being quoted that much higher CO2 concentrations existed before, this is irrelevant to plant growth and food production under the conditions we have today.
When following the increase in CO2 concentration, I always see the graph from the one location in Hawaii.
NASA will start publishing CO2 concentrations distribution from satellite measurements early next year. We may get some surprises.

Kelvin Vaughan
November 6, 2014 7:56 am

The is one flaw in all the “global warming will cause” prophecies. Moving towards the equator a bit will raise the ambient temperature of your surroundings. Instant global warming.

November 6, 2014 8:17 am

More contrived nonsense designed to trigger a funding reposnse by way of a grant application.
This is the sort of transparent rent seeking that would not be toelrated if AGW was infact a serious issue of any merit.

Eustace Cranch
November 6, 2014 8:40 am

You see that parked car down there, a block away? When it hits you at 20mph, it will injure you very seriously, probably breaking bones. If it happens to be going 50mph, it will very likely kill you.
That parked car down there. A block away.

Alan Robertson
Reply to  Eustace Cranch
November 6, 2014 10:01 am

Good job.

Reply to  Alan Robertson
November 6, 2014 1:12 pm

+ a lot for both – .Eustace Cranch and Alan Robertson;
An excellent simile.

Steve C
November 6, 2014 9:49 am

The BBC series Horizon did a programme about allergies a couple of months ago, called “Allergies: Modern Life and Me”. Inasmuch as it can be summed up in brief, we sophisticated moderns are mucking up all sorts of aspects of our relationship with our microbiota – but like all good science there are a lot of wrinkles, and it made an interesting hour’s viewing.
The programme has timed out on the iPlayer, but there must be a copy somewhere. There usually seems to be.

November 6, 2014 9:53 am

I bet they never even bothered to take a look at workers in Greenhouses with higher temps and up to 1200 ppm of co2.
So let’s start with the Netherlands- The Netherlands has around 9,000 greenhouse enterprises that operate over 10,000 hectares of greenhouses and employ some 150,000 workers.
Do greenhouse workers suffer from a higher degree of allergic and asthmatic symptoms?

Reply to  rd50
November 6, 2014 10:21 am

interesting, the book seems to have looked at a more realistic view than the report above.
now we have to evaluate the closed conditions of the greenhouse and florists. What temps and levels of co2.
Workers in low co2 vs increased co2. Varying temps .Is it just the increase of flowers per square foot.

Reply to  rd50
November 6, 2014 10:39 am

I should add or more cats.

Joel O’Bryan
Reply to  richard
November 6, 2014 10:24 am

answer is Yes, but your question is not a relevant comparison. The confined air nature of a greenhouse means airborne pollen levels are far more elevated simply due the lack of air exchange rather higher CO2 induced pollen production.

Reply to  Joel O’Bryan
November 6, 2014 10:37 am

indeed, the experiment above shows an increase in pollen , does this necessarily mean more levels of of allergic and asthmatic symptoms?
I am allergic to cats, will bigger cats make me worse or will more people suffer an allergy from being around bigger cats.

November 6, 2014 10:11 am

More BS published without question here in Auckland by the NZ Herald and NZTV. I wonder why they bother to employ “reporters” if they cannot question this sort of garbage. Well, maybe their days are numbered – we can always hope so.

Joel O’Bryan
November 6, 2014 10:15 am

The paper is reasonable. The authors’ conclusions, not based on Climate Change per se, but on elevated pCO2, are sound at the tested pCO2 of 800 ppm.

November 6, 2014 10:47 am

“In recent decades there has been an increase in the number of people affected by asthma all over the world, especially in children. ( the population has been increasing 200 000 a day)
However, since the 1990s the percentage of the population who are affected seems to have levelled out in the UK at least. ( co2 levels have risen)

November 6, 2014 10:52 am

CO2 does everything but cure cancer. If it could only cure cancer it would be complete in its existence.

Reply to  David
November 6, 2014 12:30 pm

November 6, 2014 at 10:52 am
CO2 does everything but cure cancer. If it could only cure cancer it would be complete in its existence.

They are getting close! Next a cure I hope.

Lasers in Cancer Treatment
…Types of lasers
Lasers are named for the liquid, gas, solid, or electronic substance that’s used to create the light. Many types of lasers are used to treat medical problems, and new ones are being tested all the time. Today, 3 kinds of lasers are commonly used in cancer treatment: carbon dioxide (CO2), argon, and neodymium: yttrium aluminum garnet (Nd:YAG). ..
Carbon Dioxide Laser Surgery for Abnormal Cervical Cell Changes

Reply to  Jimbo
November 6, 2014 10:02 pm

Well hell then CO2 does it all raises and lowers ocean levels. Heats and cools the air. Causes kitten sneezes and cures cancer. Thanks for the link I will read this I am in the medical field

Bob B.
November 6, 2014 12:25 pm

Wait a minute. They experiment on plant growth by raising CO2 and O3 and got the results you would expect. Then they conclude “our findings provide evidence for significant impacts on human health worldwide as a result of future climate change”. Am I missing something? This experiment seems to have nothing at all to do with climate change.

November 6, 2014 12:30 pm

I’m going to go and cut my toenails now.
This will cause Global Warming.
What do you mean, prove it?
I have said that it will.
Send money and I MIGHT publish my hypothesis.

November 6, 2014 12:34 pm

Turn off the air conditioner and open your windows for your newborn infant to breathe the allergens because that first year is when our body’s immune system has to “learn” what it has to deal with. Very few people who grow up on farms, especially in Amish areas, develop allergies and asthma.
“And kids who live in either farming environment have much lower rates of allergies and asthma than children who don’t grow up on farms,” says Mark Holbreich, MD, of Allergy and Asthma Consultants in Indianapolis.”
Let kids play in the dirt.
“The findings are consistent with the so-called hygiene hypothesis, which states that children who grow up in too-clean environments may develop hypersensitive immune systems that make them prone to allergies.”
( but don’t get carried away with the idea .. )

Reply to  mikeishere
November 6, 2014 5:54 pm

And then the proposition that C-section babies are more susceptible to allergies. Not picking up bacteria as they pass through the birth canal.
Another suggestion has been the new super cleaners that kill all the bacteria around the house, no playing outside etc- so children don’t come in contact with bacteria as much as before.

Power Grab
Reply to  lee
November 7, 2014 5:13 pm

Since a large part of our immune system is in our gut, it helps when the gut has a proper balance of microorganisms. Even a baby delivered by C-section can get a lot of help with that from having access to mother’s milk. Failing that, access to unpasteurized cow’s or goat’s milk can be helpful.
These days, in modern societies, it is likely that babies will lack sufficient numbers of the “good” bugs in their gut. It’s no coincidence that the “good” bugs are going missing since so much of our food and water (not to mention vaccines) contain persistent germ-killers.
Glyphosate (a/k/a the herbicide Roundup), which was originally patented as an antibiotic and chelator, and is used on so much of our food supply, preferentially kills off the “good” bugs, thus leaving other microorganisms like fungi to take over. I have seen papers that describe how Glyphosate actually enhances the growth of fungi.
It has become more and more common to see health authorities recommending their patients take probiotics, especially after a round of antibiotics. There are many different strains of probiotics available. I think it’s a good idea to take a variety of them. In addition, raw organic fruits and veggies (not to mention raw dairy, but that’s hard to get) can be a good natural source of them, as long as you don’t try to sterilize them. As I have experimented with various products and foods, one that surprised me was organic iceberg lettuce. Then again, maybe it wouldn’t be such a surprise if one remembers that cabbage can be made into sauerkraut with no other inoculation than the lactobacteria (some of the “good” bugs) that naturally reside on its leaves.
One more observation that I’ve made is that avoiding chloraminated tap water is kinder to the “good” bugs. That’s another story. I do want to mention, however, that while I explored the issue of water’s impact on gut health, I discovered that the man who runs the water purification plant for our municipality, himself, uses well water. 😉
So what does this have to do with allergies? Well, I thought I had developed either gluten intolerance or a wheat allergy, and (long story short) discovered that as long as I avoid the chloraminated tap water and other killers of “good” bugs, I can eat wheat without troubling my gut.

November 6, 2014 12:42 pm

AFAIK, there is no clear connection between the incidence, or severity, of asthma and pollen or other allergens. Indeed, the steep rise in the incidence of asthma over the last half century or so is a mystery. This is especially so as the air in urban environments has actually become progressively cleaner. Theories have included that living in cleaner environments makes people more prone to asthma (lack of exposure to various bugs and irritants), but no-one really knows.
How so-called “scientists” can spout such nonsense in academic papers, when a couple of hours of research quickly shows this to be a crock, just highlights once again the degraded state of post-modern science.

November 6, 2014 12:46 pm

Kidney stones too:
Wonder if it will make you bald or lose at blackjack….

Robert W Turner
November 6, 2014 1:15 pm

Hopefully we can end all carbon pollution and enter back into the glorious glacial conditions where the sneeze to freezing to death ratio will decrease.

November 6, 2014 1:47 pm

I, like many other commenters here, see that this is an admission that global warming will make the world a more food productive place.
” Here we examine the effects of elevated levels of two greenhouse gases, carbon dioxide (CO2), a growth and reproductive stimulator of plants,..”
Who said the world would be a poorer place if the climate warms and CO2 levels increase?
All of us except asthma sufferers should be rejoicing if CO2 is really warming the planet! I’m sure the asthma sufferers will make do as well.

David A
Reply to  rogerthesurf
November 6, 2014 3:33 pm

I have had asthma for all my life. O2 global crop production is plus 30 to 40 percent with no increase in water or land, then I will use my inhaler a couple of more times each month.

David A
November 6, 2014 3:34 pm

800 PPM of CO2 would have that much affect on crops.

Two Labs
November 6, 2014 8:02 pm

Your government grant dollars hard at work supporting University bureaucracy…

Marilynn in NorCal
November 6, 2014 11:32 pm

They just keep coming up with one contradictory scenario after another and calling it “science!” The master plan seems to be: “Convince the masses that no matter what happens—drought, flood, heat wave, deep freeze, animals dying off, animals multiplying, crop failure and now overabundance of plants—it’s ALL caused by how we travel and heat our homes.” How can anyone with a functioning frontal lobe believe this horse pucky?

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