Source 24

1. http://geology.com/nasa/monitoring-pollution-by-satellite.shtml
2. My source is Geology by NASA.
3. The credentials are NASA researchers in particular Hongbin Yu, an associate research scientist of the University of Maryland Baltimore County working at NASA's Goddard Space Flight Center in Greenbelt, Md.
4. My source says that NASA has a satellite that can measure the amount of pollution in the United States that comes from China. The amount of pollution in the United States from China is equivalent to 15% of local pollution.
5. Yes, I belive the source
6. I believe the source because NASA researchers are probably the most reliable source because of how much study they have done.