This is a fork of (Treez - Automated Tree Planting by idisssnakes). This port makes it not rely upon space age. SE compatible. Supports Alien Biomes.

Added fertilizer crystals which can improve soil quality (no mechanical benefit) so you can convert landfill, desert wastelands, and nuclear waste into grassy plains with repeated applications.

Other environmental mods it pairs well with:
Dirty Launches for even more pollution.
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.