Charge product manufacturers enough tax to get recycling of their packaging to 95%.
Aluminum and clear glass would immediately become more popular (they are mechanically sortable). I'm guessing the manufacturers would quickly standardize on a small number of plastics for everything else.
There is no way to fully price in externalities. This problem is similar to measuring the length of a shoreline. The closer you look, the more externalities you’ll find.
Charge product manufacturers enough tax to get recycling of their packaging to 95%.
Aluminum and clear glass would immediately become more popular (they are mechanically sortable). I'm guessing the manufacturers would quickly standardize on a small number of plastics for everything else.