"Dumped in landfill" is an optimistic worst case for plastic waste, though. Dumped outside the waste-processing stream so it ends up in the food chain or bobbin

"Dumped in landfill" is an optimistic worst case for plastic waste, though. Dumped outside the waste-processing stream so it ends up in the food chain or bobbing down the river - that's the problem case we're trying to avert.