Air PollutionPollution in Bejing, China is 5 times as bad as the worse city in the United States. Everyday, people check the air quality and adjust their routine based on those figures. A 5 million dollar dome was built just to protect kids playing in an outside environment.

Check out this recent CBS News Story on this topic. It is really alarming to see how bad this issue is.

photo credit: Nick Humphries via photopin cc

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