It's expensive and has only the advantage of catching CO2, while trees have more than just that. Produces O2, Cooling the near surroundings, are a save heaven for many species and therefore increases biodiversity, filters the air and soil, also makes the soil more healthy and probably many other reasons.

Humans really are weird. Trying to replace a perfectly fine bio-machinery that developed over Thousands of years with their own steel junk. I dont see why anybody would prefer that gadget over a tree.

[–] Gabu@lemmy.ml 3 points 11 months ago

Humans really are weird. Trying to replace a perfectly fine bio-machinery that developed over Thousands of years with their own steel junk. I dont see why anybody would prefer that gadget over a tree.

Can you plant a tree capable of capturing the same amount of CO2 as those algae in that small a space? How about "refilling" the tree if it happens to die?

Society doesn't have to lock itself to a single solution for countless varied problems. If we're talking about a long, empty walkway, or a park, then trees are a great solution. If we're talking about a small space that must be kept free of obstructions, such as a bus stop, then a sack or box of phytoplankton is much better suited.

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