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2021
June
Neat News 2021-181 (added 2021-06-30)
Moss to clean air
© Fred Hsu [CC BY-SA 3.0]
| There is an approach to make so-called city trees, that is, biological fine dust filters that are made on the basis of moss. The filters are ventilated and watered so that in a certain area around them the air is cooler and cleaner, since the moss absorbs particles out of the air. related: #air_filter #moss |