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Tree shape may control how pollen spreads through cities

Summary by Earth
A new study shows that the shape of urban trees affects how pollen travels through the air, which could help cities reduce allergy exposure.

2 Articles

Researchers at Embry – Riddle Aeronautics University (United States), Ruan University and Lille University (France) created an advanced computer system to observe how tree geometry influences pollen dispersion. According to the first author of the work, Talib Dbouk, the trail of a tree is very complex, and within it, there are multiple parameters that modify pollen flow, such as its biological characteristics, foliage density – depending on the …

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Earth broke the news in on Friday, March 13, 2026.
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