Some photos from today's March for Science in Pittsburgh from my friend Joy Sabl. She's a geneticist who's married to a nuclear...

Today is Earth Day (and "Greener Pittsburgh Day" in the City of Pittsburgh). In completely related news, there was a major blowo...

Today's the 40th anniversary of Earth Day. Here's a short video on its history: (h/t to Pittsburgh City Councilor Bill Peduto )

As we celebrate Earth Day today, it's good to remember our own canaries in the coal mine: The victims of the Donora Smog of 1948. From ...