National Geographic: An eight-year-old girl, living near a major road in the Jiangsu Province of Eastern China, has become the youngest person in China, and possibly in the world, to be diagnosed with lung cancer caused by pollution-the cause of her disease according to Chinese officials. And last month, the World Health Organization classified air pollution as a major human carcinogen.
We talked with C. Arden Pope, economics professor at Brigham Young University in Provo, Utah. His research into the effects of air...