Complex sentence: At the University of Cincinnati, Oerther was instrumental in the establishment of the Center for Sustainable Urban Environments including the creation of a campus-wide minor in sustainability as well as promoting international development as the founding mentor of a student chapter of Engineers Without Borders.
Split into simpler sentences: At the University of Cincinnati, Oerther established the Center for Sustainable Urban Environments. He created a campus-wide minor in sustainability, and he founded a student chapter of Engineers Without Borders.