588941 external_news 1489763984 1489777654 In China, the winter of 2013 was an “airpocalypse.” A thick soup of harmful smog cloaked its biggest cities, contributing to at least 90,000 deaths and sickening hundreds of thousands more. Things haven’t gotten much better since then, even though the country has enacted tough new emissions controls. A new study may explain why....“The ventilation is getting worse,” says study author Yuhang Wang, an atmospheric scientist at Georgia Institute of Technology in Atlanta. “We think climate change, as it is driving rapid warming of the Arctic, is having a large effect on pollution in China.” Yuhang Wang is a professor in the School of Earth and Atmospheric Sciences. The study he co-authored was first published in Science Advances. 

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