Life expectancy is on the decline:
"Plastic didn't come from outer space. It's created from earthly substances." Humans can create chemicals that mother nature can't- this is why it is an issue. All of these things eventually end up in the environment. At some point, nobody will be able to eat seafood.
Not all people are resilient. This girl in the UK is dead from bad air:www.cnn.com
I get it though, the first solution is to stick your head in a hole and say it is nothing.