"South China Morning Post points to an article that tries desperately to put a positive spin on China's air pollution. The article argues that the smog strengthens Chinese military defense.

“Smog may affect people’s health and daily lives … but on the battlefield, it can serve as a defensive advantage in military operations,... - Missile guidance that relies on human sight, infrared rays and lasers could be affected by smog in varying degrees, the article said. It explained that tiny particles in the air contributing to air pollution could hinder missile guidance systems.“ "
http://finance.yahoo.com/news/china-smog-major-defensive-advantage-161700570.html