On a chalky gray cliff along the Allegheny River just south of Ford City, the liquid runoff from a century-old glass waste dump has killed all the vegetation and formed icicles that are pink and yellow and rusty orange. (01/04/2009)

Waste is something we do, not something that is. Understand the Flester, and start redeeming the world, piece by piece. Bob Johnson launched the RiverCubes project in 2003. RiverCubes are objects recovered from our rivers, transformed and exhibited. They aim to change the way we understand waste streams of our own production. Today, he explains the philosophical underpinning of his work: the flester (01/04/2009)

When the delivery guy walks up the drive carrying a box printed with the words, "This pizza was lovingly made by Jeremy," that's a tip something is going to be different about that pie. (01/04/2009)

A Pittsburgh nonprofit group has filed a federal civil lawsuit against a Beaver County company, accusing it of polluting the Ohio River. (01/01/2009)

A new federal mining rule requires operators to provide hardened safe rooms where miners can await rescue if they are trapped underground by a cave-in, fire or other accident. (12/31/2008)