[locked]
There isn't a lot we can do, other than get it up and going again. With every breath everyone takes, a little less oxygen is left in the dome. There are trees to counteract it, but we would need a lot more of them and they still wouldn't be able to work fast enough.
I know there are a few alchemists that specialize in botany as well those with powers that can force the trees to bloom, myself included, but I worry it would be too little an effort unless we can find a way to speed up the photosynthesis process.
Maybe that's a project to give those mad scientists...