Happy Birthday, Al Capone

In a wonderful historical coincidence, January 17th marks the birth of Chicago’s most famous gangster and the public policy that made him, the day that the 18th Amendment became law.

Smoke Monsters: Chicago 1913, Beijing 2013

A century ago, Chicago’s air was (probably) a lot worse than Beijing’s is today. Chicago was pretty proactive in terms of air quality, beginning as early as 1881, and advanced ahead of its peers—but things were still bad in the 1970s, when the real push for clean air swept the country.