this post was submitted on 05 Dec 2023
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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.
What happens when we go too far and remove all CO2 from the atmosphere?
Your question isn't entirely a hypothetical - this happened at the dawn of time, when photosynthetic life forms first evolved. First, it won't ever happen again, no matter how good we get at scooping CO2 from the atmosphere. Second, the result is theoretically catastrophic for aerobic life forms, but it's also a negative feedback loop, meaning it self corrects.