China looks for blue-sky solutions as smog worsens
Published on Feb 24, 2014
(CNN) -- Beijingers are once again choking as smog levels hit "heavy or even worse" levels in the capital and a number of other cities across the country.
Persistent problems with city air have prompted officials and entrepreneurs to consider ways to protect their citizenry from the pollution. Beijing was under an "orange" smog alert Monday, which marks the first time the second-highest warning level of a new system introduced last year has been raised.
Capital measures come amid fog of pollution
Heavy smog routinely blankets the capital, all but blotting out the sun and forcing residents inside. Australian Open champion Li Na revealed she's had to train indoors in Beijing due to the high levels of pollution, while smog across most of northern and eastern China has prompted officials to send teams of investigators to the worst-hit parts of the country.
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