There have been studies done to see if particle beams can be used to vaporize space junk, or hit it so that you impart a delta V to knock it out of orbit.
Eventually some method will need to be deployed.
My proposal to field a large piece of duct tape tucked into a loop was rejected. The study funds went into vacuum compatible katamari.
My idea was to build a robot ship to just go around and sweep it all up.........like a giant Roomba................