China is full of crazy smog fighting ideas. So was LA in the 1950s and 1960s.
Sera Segal-Alsberg, an artist-instructor, wears a mask while driving in West Hollywood in 1979. (Boris Yaro / Los Angeles Times)
Los Angeles City Hall is all but obscured by thick smog in 1953. (R.L. Oliver / Los Angeles Times)
Starlight, a Chinese environmental company, recently unveiled a pollution-fighting mobile “fog cannon” designed to control particulate matter at coal depots and other industrial sites. (Julie Makinen / Los Angeles Times)