A High-Tech Pollution Mask For China - Presented by: The Aol. On Network

Of the 10 cities around the world with the most-polluted air, the World Health Organization says, seven are in China. The WSJ's Diana Jou spotlights AirWaves, a prototype pollution mask that measures air quality and records real-time information.

Related Videos

Most Popular Videos

Latest Videos

Latest News Headlines

View All