Complex sentence: The new building housed an environmental laboratory facility for the Biology Department and the new graduate program in the Conservation of Historic and Artistic Objects, the forerunner to today's Cooperstown Graduate Program in museum studies.
Split into simpler sentences: The new building housed an environmental laboratory facility for the Biology Department. It also held the new graduate program in the Conservation of Historic and Artistic Objects, the forerunner to today's Cooperstown Graduate Program in museum studies.