The arrival of spring is a beautiful time, welcomed by most of us with a smile on our face, but sometimes you can’t see it because it’s covered with a handkerchief used to wipe a runny nose or eyes. Yes, spring is also the beginning of the allergic season, or at least it was so some time ago, because now – due to climate change – many people have to take medication much earlier, and the symptoms are much more bothersome. In 2018, the pollen season started 20 days earlier and lasted 10 days longer, according to a new study from the University of Utah, based on an analysis of data collected over 30 years at 60 pollination stations in the United States and Canada, in 2018 the pollen season started 20 days earlier and lasted 10 days longer, recording 21% higher concentration than in the nineties.
The researchers explain that the pollen levels of trees increased the most, and that the reason was the increasing temperatures resulting from global warming: – Several smaller-scale studies – mainly in greenhouses and small plants – show a strong relationship between temperature and pollen. Our research shows a link on a continental scale and clearly links dusting trends with human-induced climate change, explains lead author William Anderegg. What strong relationship are we talking about? Research shows that climate change is responsible for approx. 50% of the pollen extension time, but only 8% of the dust increase.
Temperature was indicated as the most important factor driving these changes. Warmer weather seems to affect the biological clocks of plants, accelerating their pollination. Interestingly, higher levels of carbon dioxide do not appear to have a direct effect on pollen concentration, except of course that they drive higher temperatures. And although allergies do not seem to be a serious matter at first glance, but they make life a bit difficult, unfortunately, in the long run, they are more than just seasonal sniffles. Allergies can lead to, for example, asthma and the weakening of the body, which in turn opens the way to further diseases, especially now in the face of a pandemic. – The strong link between warmer weather and pollen seasons is a clear example of how climate change is affecting our health. Climate change is not something distant and future. They are already with us in every spring breath we take and they increase our misfortune, the researchers add.
Source: GeekWeek.pl/University of Utah
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