The 1939 St. Louis smog was a severe smog episode that affected St. Louis, Missouri, in the United States in 1939. Visibility was so limited that streetlights remained lit throughout the day and motorists needed their headlights to navigate city streets.
Read more about 1939 St. Louis Smog: The Problem of Pollution Control, The Smog Episode and Its Aftermath
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“I have done my fiddling so long under Vesuvius that I have almost forgotten to play, and can only wait for the eruption and think it long of coming. Literally no man has more wholly outlived life than I. And still it’s good fun.”
—Robert Louis Stevenson (1850–1894)