All the one time use products that currently end up in a landfill (or the oceans) shortly after being manufactured and then fail to decompose properly. A lot of

All the one time use products that currently end up in a landfill (or the oceans) shortly after being manufactured and then fail to decompose properly. A lot of plastic products don't need to be durable for very long. If it needs to be durable, there are perfectly good materials other than plastic that you could use that are probably better. In fact, most plastics don't actually do that well over time (some exceptions of course) and aren't that durable. Quite a few types of plastic degrade under UV light for example. Of course not enough to fully degrade but they become brittle, get ugly, etc. If it stayed in one piece and just sat there not changing, plastics would actually be less of an issue. The issue is that they do degrade and gradually turn into micro plastics. Which end up in animal and human tissue causing all sorts of issues.