Compost wood or spoilage into artificial grass tiles that consume pollution.
Build Zen Towers for compact wood production on Nauvis or Gleba.
Grow wood in Zen Gardens on any surface.
Hey, since I use both wood/spoilage, and spoiling mechanic for the artificial grass tile, dropping the dependency is not possible.
But I have seen K2 updated for Space Age so check it out, Drop me a note if there is any compatibility issue.