There really wasn't much that they could do about a species that might or might not even exist anymore, so the crew of Terminus and the Hunters settled into Terraform and explore the planet, both virtually with drones and by sending down actual teams to explore places that looked interesting enough to save from alteration.
They would still purify them of the lingering toxins and perhaps reintroduce some minerals that had been extracted, but they would do their best to preserve the natural beauty of the place.
That brought Max to his first point of concern. Nico had designed a wonderful city for a hundred million people to be built floating above the surface. Only, she hadn't really designed it. Max recognized it as a spot she had taken over in her past life.