We can't filter water at the scale necessary. Also, when you bury it, it's going into the water cycle unless you enclose it like a landfill. That's not realisti

We can't filter water at the scale necessary. Also, when you bury it, it's going into the water cycle unless you enclose it like a landfill. That's not realistic. It also means the plastic would need to be processed at that landfill to prevent it from eventually entering the water cycle as well (once the landfill is EOL and the lining erodes). The earth doesn't filter the byproducts out. Burying isn't a solution. It also doesn't address the behemoth scale of plastics already in the environment which will continue to release byproducts into our water.