Allergies in Overdrive

Here’s an unusual bit of research that affects many of us:  Allergies from pollen.  Evidently, increases in pollen are here for the long term, as a result of global warming.  The question, then, is what can you do about it?  Comments afterwards.

 

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Allergies in overdrive as extreme

weather drives higher pollen count

 

Trees and grass are emitting more pollen than usual, scientists

say – and it’s likely to stay that way in the coming years

 

‘When you have especially warm springs,

which we’re getting more and more of, that

favors these really bad and long allergy seasons.’

 

Tracey Lindeman in Ottawa

The Guardian

Mon 13 Jun 2022 06.15 EDT

 

First, he had the symptoms. Then he saw the yellow fog. A thin layer of gold-coloured dust coated the patio furniture, the patio, his children’s swing set – everything in the garden of Ubaka Ogbogu’s home in the Canadian city of Edmonton.  He said …

 

“The mist was everywhere. Even

my kids – who are not typically

observant about these things – re-

marked about this yellow everywhere.”

 

It was pollen, the worst Ogbogu had seen in the 20 years he had lived in Canada. This year, his nose has been perpetually aflame with allergic rhinitis and his eyes are extremely itchy.  Ogbogu lamented …

 

“I was really looking forward to this

Spring and summer because of the

pandemic, and so the very first

week when it started to get warm

we were out in the yard cleaning,

bringing all the furniture out.

 

“We got a new barbecue. And then the

pollen hit, and so I’m back inside.”

 

Across North America and beyond, people with scratchy throats and puffy eyes are accusing the trees and grass of emitting more pollen than usual. Scientists say they’re not wrong: it is higher – and it’s likely to stay that way in the coming years.

Daniel Coates, director of Canada’s Aerobiology Research Laboratories, which tests and forecasts pollen across the country, said that botanical sexism – when cities plant more male trees than female ones – is one of the reasons for higher pollen counts.  Coates said …

 

“Females have flowers and

fruits and that’s very messy.”

 

City planners like to plant male trees because they are cleaner and easier to maintain.

The current influx of yellow pollen in Canada and the US comes from pine trees. Soon that will drop and be overtaken by grass pollen and other, non-visible tree pollens. After that is ragweed season.

But city planners’ preference for male plants isn’t the only cause of our increasingly miserable allergies: extreme weather is a significant driver of our pollen overload.

At least some of the pollen gathering in drifts in British Columbia and the Pacific north-west is due to last summer’s heat dome – an extreme weather event between 25 June and 1 July 2021 that saw temperatures in the normally temperate region rise above 40C (104F).

In instances of drought and extreme heat, trees become more vulnerable to disease and pests, and as a result may go into a form of survival mode in which they amp up pollen production, said William Anderegg, an associate professor of biological sciences at the University of Utah.

Anderegg is the co-author of a 2021 paper that found that the length of pollen season and the concentration of pollen are both increasing. Between 1990 and 2018, pollen production across North America has grown more than 20%, with notable rises in Texas and the Midwest.  He said …

 

“When you have especially warm springs,

which we’re getting more and more of,

that favors these really bad and long

allergy seasons.  And it’s not necessar-

ily that things just have a big burst of

pollen, and then they’re done. Many of

these species will keep making pollen.”

 

In the coming days, the yellow fog of pine pollen will travel east, sending allergy sufferers in Montreal, New York and Boston into sneezing fits.

Mitigating the pollen problem is important to human health, said Anderegg, who noted that productivity and school grades slip substantially when pollen is high.

Planting more female trees, in addition to taking bigger steps to mitigate the climate crisis, would give us all a little relief.

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What can we do about this problem?

Well, some people don’t seem especially bothered by pollen.  I’m not an allergy expert, but I know that we all have immune systems that protect us from all sorts of maladies and diseases.

Pollen may be one such malady.  When our immune system is strong, we seem able to ward off the negative effects of diseases and maladies.  Some even go through Covid-19 with minimal negative discomfort.

In creating the Garden Atrium homes, I learned that a huge range of materials off-gas into the indoor environment.  The most commonly used paint actually off-gasses for ten years!  (I thought it ceased to do so when it was dry.)  So, we use zero VOC paint.  In the kitchen-remodeling ads you see, the plywood they use for cabinets off-gasses, as do the melamine shelves; so, we use solid wood.  As color in fabrics is set with formaldehyde, we use carpeting with dye-free wool with a natural hemp backing.

The result?  Many Garden Atrium residents reported losing their allergies.  Perhaps we need to say,

“My environment is overtaxing my immune system,

and causing me to have allergic reactions”

rather than “I’ve got allergies.”

 

Other than what we can do inside our home, we might also ask our local nurseryman which shrubs and trees tend to produce less pollen than others.

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