During the Center for the Humanities Lecture Series, nine scholars explored the theme of "Dirt" throughout the fall 2020 semester. The theme explored the material ecologies and symbolic currencies of filth, waste, toxicity, and contamination alongside ideas of purity, hygiene, and cleanliness to address and reframe a range of contemporary environmental and cultural urgencies. Through various topics, the scholars discussed uses and abuses of dirt and its various political, religious, sexual, ethnic, racial, and ecological significations. The topics and speakers included: "Projected Resonances: Intersections of Sound, Performance, and Tourism Underground at Mammoth Cave" by Paula Matthusen, associate professor of music;…