How China improved its air quality

Since China launched its war against smog in 2013, the level of fine particulate pollutants or PM2.5, a measurement commonly used to describe air quality, has been on the decline in most major cities across China. According to the Air Quality Life Index (AQLI), a research initiative produced by the Energy Policy Institute at the University of Chicago (EPIC), Chinese people can expect to live two years longer if improvements in pollution reduction are sustained.

As the country with the largest population in the world, the change is no easy feat. What has contributed to the successful shift on the administrative level? Find out the answer in this video.

(Produced by Chen Lidan, Zhan Huilan, Wang Zi and Li Bowen)