Pittsburgh history, environmental history, brownfields case studies, city planning Description: Transformed tells how civic leaders in Pittsburghonce the worlds steel capitalbrought new uses to five derelict industrial brownfield sites. Polluted and largely abandoned Herrs Island became Washingtons Landing, with upscale housing, a marina, rowing center and riverfront trails. LTVs shuttered Pittsburgh Steel Works became the Pittsburgh Technology Center, a home to academic and commercial R&D. USXs Homestead Works, once the largest steel mill in the world, became the Sandcastle water park and the busy Waterfront, with big box stores, restaurants and riverfront housing. The Duquesne and National Works were reborn as the City Center of Duquesne and the Industrial Center of McKeesport. Transformed explains how this happened, and suggests lessons others can learn from Pittsburghs experience.