An institutional emphasis on green building was channeled by architectural majors into Penn College's first gallery exhibit of students' sustainable designs, which officially opened with a reception Thursday afternoon. “Sustainable Design 2019,” showcased on the third floor of Madigan Library, challenged students to design and develop a substantial project in an urban setting. Eighteen seniors in the college's building science and sustainable design programs rose to the task, drawing upon four years of immersive education to present capstones that skillfully encompass their processes, renderings and 3D models. The show, which runs through May 23, follows summer hours in The Gallery at Penn College: 10 a.m. to 5 p.m. Tuesdays through Thursdays; 10 a.m. to 1 p.m. Fridays; and 1 to 4 p.m. Sundays. (The gallery is closed Saturdays and Mondays.)