In the Fall of 2007, Professor Galbreath founded the Institute for Sustainable Practice, the Southeast's first, comprehensive, academic sustainability program. As the director of graduate programs in sustainability, he also teaches Earth systems, applied sustainability, renewable energy, and creation care. Professor Galbreath has studied sustainability throughout the United States, China, and eight European countries. He provides consulting services and facilitates issue discussion forums. Four mayors of Nashville have appointed Professor Galbreath to leadership roles. He currently serves as chair of the Metro Stormwater Management Committee and as a member of Mayor John Cooper's sustainability advisory committee. He formerly served as co-chair of the Livable Nashville Climate and Energy Subcommittee. Before coming to Lipscomb, he created one of Tennessee's first corporate sustainability consulting practices at URS Corporation. While serving two Tennessee governors of both parties, he led passage of six state laws to manage surface and groundwater use, designate scenic rivers, and restore natural rivers and wetlands. He also co-chaired one of the nation's first, state environmental justice plans. Over his 37 year career, Professor Galbreath has also served in the federal government, at three university research centers, and has received two statewide leadership awards.