The Odd Shapes of PM2.5
on February 29, 2016
A recent episode of “Approaching Science,” a CCTV documentary series, discussed the smog that’s been choking the mainland for the past few years. The show interviews scientists and laypeople to paint a comprehensive picture of the challenges that air pollution is creating for the Chinese as individuals and as a society. Scientists are rushing to understand the problem and come up with effective responses before it’s too late—from smog warning signals to setting up cameras to track air visibility.
![](https://www.chinafile.com/sites/default/files/styles/system/public/assets/images/article/system/img_9931_copy.jpg?itok=OmUA1lYx)