In Troy Hall faculty and students focus their attention on the earth's air, water, and land. Troy houses chemistry laboratories and offices, the Department of Environmental Science and Regional Planning, and the Environmental Research Center.

The environmental and land-use research done in Troy Hall takes you across disciplines to nearby Fulmer Hall and Abelson Hall, centers of biological science; to Sloan Hall and Dana Hall, home to the Department of Civil Engineering and the Laboratory for Atmospheric Research; and to the state-of-the-art laboratories of the Engineering Teaching and Research (ETRL) building, where the Department of Chemical Engineering resides.