Hi, after jumping around with various things and building datavis skills (and still sucking at them) I've taken a bold leap of faith that it would be possible to visualise urban metabolic flows in a 3D way, semi-procedurally. I can't do this, but I think if we get the right people together, it is possible.
So I drafted an event to workshop this. Please let me know your thoughts, join in, it's open to anyone, and let's make this possible!
Link: https://wiki.openstreetmap.org/wiki/OSM_metaverse#OpenStreetMap_and_the_metaverse