Study: https://www.pnas.org/content/early/2019/09/24/1909816116
From my experience, China has yet to instill environmentalism in their public. It has definitely improved since I first started visiting in 2001, but they have a long way to go. One good thing about Xi Jinping is that he sees environmentalism as an opportunity. Hopefully the CCP will crack down on this.
You'd think you could get satellite photo evidence of dumping.