Science
Evergreen needles act as air quality monitors – Phys.org
Every tree, even an evergreen, can be an air quality monitor. That’s the conclusion of researchers at the University of Utah who measured the magnetism of particulate matter on the needles of evergreen trees on the U campus. That measurement, they found, corr…
Every tree, even an evergreen, can be an air quality monitor. That’s the conclusion of researchers at the University of Utah who measured the magnetism of particulate matter on the needles of evergreen trees on the U campus. That measurement, they found, correlated to general air quality, suggesting that analysis of the needlesa relatively simple and low-cost processcould provide a high-resolution, year-round picture of air quality.
“Wherever you have a tree you have a data point,” says Grant R…
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