Radioactive Waste and Contamination OppArt Art in Action in Milwaukee, WisconsinArt in Action in Milwaukee, WisconsinSculptures created to bring awareness about the need for water protection and the explosive crude fracked oil brought by rail through the center of the city. By Susan Simensky Bietila April 12, 2018 fb tw mail Print msg wa sms Bookmark April 12, 2018 Check out all installments in the OppArt series.