With development encroaching on wild areas around Pittsburgh, encounters between wildlife and humans are becoming more common. It's Doug Bergman's job to keep the peace.
In the 1960s, Pittsburgh's horrible air earned it the nickname ‘Hell with the lid off.' But a group of housewives, doctors and engineers with a knack for guerrilla marketing helped clear the air.
Even with big improvements to air quality over the past few decades, it's hard to describe Pittsburgh's march toward cleaner air as anything but a slog. So what's taking so long?
Though a majority of Americans now oppose fracking, all three anti-fracking candidates in Pennsylvania's Democratic primary recently went down to defeat. So what gives?
Yet another reason to visit your local library: You can now check out this cool $200 gizmo that will tell you how good (or bad) the air is in your home.
