Pittsburgh Post-Gazette

The Pittsburgh Post-Gazette is running a fascinating in-depth series on air pollution in Western Pennsylvania. While it's got a local focus, I'm sure people from other regions can identify with some of the problems it highlights, like the difficulties in regulating pollution that easily crosses state lines and the frustration of seeing inadequate Clean Air Act enforcement. The series also delves into issues of epidemiology. In the introductory article, Region at risk: Can higher rates of death be linked to air pollution?, Don Hopey and Devid Templeton explain that the Post-Gazette analyzed…