For the last three weeks, residents of Beijing have been breathing thick, soupy air so choked with pollutants that it has registered far off the scale of acceptable levels.
Yet places like Beijing or New Delhi, India, which has also had extremely unhealthy air quality levels, are far from the only cities to be plagued. Air pollution affects practically everyone on the planet and causes more than 6 million premature deaths every year, according to the World Health Organization. Yet, this insidious and long-standing issue really only generates headlines when it hits extreme levels.
ABC News correspondent Gloria Riviera reports that levels in Beijing averaged 300 on the Air Quality Index (AQI), a whopping 280 points over what WHO says is good, clean air. Optimal AQI is just 20.
Explosive economic growth in China means factories are going full tilt 24/7 and millions of people are able to own cars for the first time. China has minimal environmental standards in place. The new pollution
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