this post was submitted on 04 May 2025
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A few reasons: Trees need a lot of space and the space underneath a sidewalk isn't enough for long term life. They can die after like 30 years? This is tree dependent and location dependent.
Tree roots can destroy sidewalks making it harder for people to go over them. (Think people in wheel chairs)
Liability in terms of damage (have you seen trees after a storm?)
I disagree. Pavement is valuable to pedestrians, cyclists, emergency and service vehicles, and the disabled. While it's important to preserve nature as much as possible, some urbanisation is also a good thing. That said, I'm not sure algae tanks would be necessary in areas where huge tracts of land aren't dedicated to parking. I can't really think of where my city would benefit from them.