The idea of banning lead, has been muted for years, and before I always said they would never ban it, but, I feel I can no longer say that.
However, for us that shoot indoors, there must be some sort of arrangement where the lead can be recycled, and turned back into pellets.
The lead is no danger to wildlife if indoors, and recycling would be easy, as regular cleaning of the floors, and pellet traps, would ensure very few contaminants in the collected lead.
I have never tried a none lead pellet, that I would be happy to hunt with. They never have the consistent accuracy required.
I really hope I am wrong about a possible ban, but forward thinking now, prevents hastily thought ideas, if it does happen.