Landfills almost do not pollute. Plastic pollution is caused by bad management of it (and accidental loss) that spreads it into nature.
Placing them in landfills is the right thing to do.
Placing them in landfills is the right thing to do.
The idea that nature is over there, not here and that the landfill site is somehow ok to ruin has strong vibes of the (fantastic) comedy segment where the oil spill happens outside the environment.
Why is it not the right word?