Won't AI solve all of those issues?
Agriculture and food consumption itself is a physics problem. Faster data processing ain't gonna make the actual material processes work any better.
To convince yourself of this, attempt growing your own vegatables. It's much harder than it seems, and not the kind of problem where number crunching and n-dimensional gradient descent is going to help you alter the fundamental natural processes that drive everything.
AI is not a silver bullet. Avoid any such snake oil that suggests it is.
The assumption you are making is that AI will easily solve one off hand (the most crucial one) but not the other. I don't see any logical basis for this assumption.
Despite that, you can't increase "efficacy" of Art Nouveau building in center of old city. It was there for hundreds of years and it will stay there for hundreds. There is no way to magically create "more land" in those areas, thus prime real estate will appreciate more than anything else.