this post was submitted on 05 Dec 2023
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I'd have to see how it is better than, worse than trees on a case-by-case basis. But generally speaking, I can think of a few reasons this is better:
Trees are messy. They take a long time to grow, they take constant maintenance while growing, then they eventually die. Tree roots fuck up pipes & concrete. If this installation is equivalent to 1 or more trees, it is doing the work in a fraction of the space.
At the same time, though, green space has shown to improve mental health. I would be curious (and very sceptically biased) if algae tanks have the same impact.
Trees also provide shadows and space for birds and other animals.