Source 12

http://www.zmag.org/znet/viewArticle/4632
1. This article comes from the internet database called Znet.
2. The author of this is Nathan Nankivell.
3. His only credentials are that he has done his research thoroughly.
4. This source says that China's pollution is a threat to their overall stability.
5. Yes.
6. I believe this source because it is clear that there is lots of research and evidence to back this up.