Curated to pose as a mirror to society’s collapse, “Scupper”’s artists address a spectrum of social ills from preservatives in food to inadequate healthcare. The six-page press release does a better job than some of the works themselves at justifying their presence in the gallery; however, there are some standouts. The sculptures by Cielo Saucedo and Analia Saban, as well as Maren Karlson’s hazy painting of failed state infrastructure are provoking and memorable. The most striking piece is Ed Ruscha’s video on the history of Elysian Park and Chavez Ravine, which shows that in-depth research is not incompatible with care and legibility.