Armed With NASA Data, South Korea Confronts Its Choking Smog
The US space agency and the South Korean government teamed up for the most ambitious study of Korean air quality to date and found the majority of the toxic air is homegrown, and not from neighbors.
South Korea faces a chronic dirty air problem that makes it one of the most polluted countries in the world. It's common to hear that neighboring China is to blame, but a joint study by NASA and the Korean government has found there's a lot South Korea can do on its own to cut the smog.
On many days of the year, a thick industrial haze blankets the capital city of Seoul, where
