Source 23

http://www.biztimes.com/news/2008/7/25/chinas-pollution-problems-present-an-opportunity-for-us-businesses
1. This source comes from BizTimes.com
2. The author of this article is Einar Tangen.
3. His credentials are that he was a chairman of Wisconsin's National Trade Council and he now work for BizTimes.com in Hong Kong.
4. This source says that China's pollution problem may help the U.S.'s economy.
5. Yes.
6. I believe this source because it comes from a credible news source and a very well-distinguished and credible author.