@kjjbox: Maple trees offer most protection from harmful UV.

A species of maple tree offers the best protection from damaging ultraviolet rays of sunlight, a study has suggested. The crimson king (Acer platanoides) variety of maple tree came out as the most protective, closely followed by species of oak and a beech. Experts say trees can provide people with important protection against the harmful effects of UV radiation.

https://www.bbc.com/news/science-environment-54293962
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@SpaghettiSupernova: Dla tych zaciekawionych, którym nie chce się czytać całego artykułu:

The team found that the crimson king maple, swamp white oak, hackberry, and copper beech trees offered the highest protection factor (PF) (greater than three, meaning its shade allows you to remain outside three times longer than if you had no protection from the sunshine), while the maidenhair tree (ginkgo) and the red maple returned the lowest PF values

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@kotbehemoth: sraczka w cenie

@kotbehemoth kurde te słupy elektryczne. Inny świat. A my narzekamy że mieszkamy w Polsce