588938 external_news 1489763123 1489777541 “We will make our skies blue again,” vowed Chinese Premier Li Keqiang earlier this month, pledging aggressive new steps to combat China’s notorious smog....But a study adds a possible wrinkle to China’s fight for blue skies. Climate change – in particular, the melting of Arctic sea ice – makes the country's smog even more likely to stay where it is. “The ventilation is getting worse,” one of the study’s co-authors, Georgia Tech atmospheric scientist Yuhang Wang, told Science Magazine. Yuhang Wang is a professor in the School of Earth and Atmospheric Sciences. The report he co-authored was first published in Science Advances. 

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