I am all for adjusting how we do things to preserve the environment when legitimate science finds harm being done. That said, when the Greenies clean up China and the other developing nations then I will consider doing more. Not one second before though.
I don't know for sure but, it seems if they had better lawyers they would have correct signs up. Poop draws flies. I think that is 10 year old friendly enough but nothing near what I want to write.