One of the Worst Pollution Events in History
Reduced air circulation and cold winter temperatures have combined to create what is one of the most intense pollution events in history over China. Unhealthy polluted air blankets three fourths of a country the size of Europe. It’s as if the entire United States east of the Mississippi was choking under a cloud of pollution at a level considered "extremely hazardous" in Western countries. It is the worst pollution event ever recorded in China, and could be the worst pollution event ever caused strictly by manmade emissions.
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