This is a fork of (Treez - Automated Tree Planting by idisssnakes). This port makes it not rely upon space age. SE compatible. A fully tree-ed chunk can absorb ~60 pollution per minute. Not as compact as an air purifier but always on and more attractive to look at.

Other environmental mods it pairs well with:
Pollution: Impactful Smog really showcases the pollution absorbing impact of trees
Pollution Smoke showcases the pollution absorbing impact of trees
Pollution is the Solution encourages a wide area, this gives you a tool to 'shape' that area.
Terrain Evolution 2 Will ignite your forests if you have too much pollution. So it encourages you to plant more trees and revitalize the planet.
Desirable Dirt Paths is another terrain modification mod.
Pollution Combinator to cut power to buildings to curb pollution to levels your forests can manage.
Tree Healing to help repair any tree damage.
Krastorio 2 Greenhouse or your other favorite source of wood.