I think that removing environment refreshment boost from passive resource buildings is a right idea. It can also be altered to have charges, just like The Well, which forces more nomadic playstyle on players. When done right, players can make unbeatable fortresses, which will eventually dry up all the resources if nobody will seek for them out in the wasteland. Aditionally, I can consider removing varied resource drop in passive resource buildings (f.e. the Mine will no longer drop Iron, the Farm will no longer drop Food, etc.). It can force players to seek these rare materials, required to create more advanced and gamechanging stuff. Im looking forward to any feedback to my work! Thanks for reaching out!

Well, guess i didn't check that out, thanks for it though :D