I would suggest a series of short stories if you like the setting and are enjoying writing it.
I think something more relatable might get the solar punk message across. I only dipped into the short story you posted and it felt more fantasy than near future sci-fi.
And tbh, I opened it more because I’m a mushroom and sci-fi/fantasy nerd and saw your post in the sci-fi sub.
I generally only lurk here out of interest in urban mycology/farming