The 1948 Donora Smog
Posted by PA Heritage Staff on Nov 25, 2013 in | Comments Off on The 1948 Donora Smog As early as 1881, the cities of Chicago, Illinois, and Cincinnati, Ohio, had passed laws in attempts to control several types of pollution. Air pollution, however, remained an uncontrolled, unrecognized health hazard until tragedies in the twentieth century demonstrated its lethal effects. In 1930, smog covering the Meuse River Valley in Belgium sent sixty people to their graves, and in 1952...read more