China

Changing Weather Patterns Are Trapping Pollution Over Chinese Cities

While emissions are decreasing in China, the winter haze is not improving “because of a very rapid change in the high polar regions where sea ice is decreasing and snowfall is increasing,” said Yuhang Wang, a professor of earth and atmospheric sciences at the Georgia Institute of Technology, and author of the research. “This perturbation keeps cold air from getting into the eastern parts of China, where it would flush out the air pollution.”