Climate change will continue to make allergy season longer and more intense🤧
Warmer weather allows plants to start blooming earlier and keeps them blooming later. Meanwhile, additional carbon dioxide in the air from burning fuels such as coal, gasoline and natural gas helps plants produce more pollen, said study co-author Allison Steiner, a University of Michigan climate scientist.from different researchers found that from 1990 to 2018, pollen has increased and allergy season is starting earlier, with much of it because of climate change.
The new study found that allergy season would stretch even longer and the total amount of pollen would skyrocket. How long and how much depends on the particular pollen, the location and how much greenhouse gas emissions are put in the air. Allergies are especially difficult for the 25 million Americans with asthma. This could make the problem much worse for them, said Amir Sapkota, a University of Maryland environmental health professor, who wasn't part of the research.
The start of alder tree pollen season will move most dramatically, an issue in the Pacific Northwest. Cypress tree pollen — which is especially bad in Texas — will see among the biggest increases.
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