Dr. Santosh R. Ghimire is an Environmental Engineer at the U.S. Environmental Protection Agency (EPA). His research publications address the sustainability of natural infrastructure systems (e.g., watersheds), engineered gray infrastructure systems (e.g., municipal water supply and irrigation systems), and green infrastructure systems (e.g., rainwater harvesting and riparian buffer systems) in a holistic approach of eco-efficiency, life cycle assessment (LCA), and life cycle cost assessment. Dr. Ghimire earned a Ph.D. and M.S. degree in Environmental Engineering and an interdisciplinary Graduate Certificate in Sustainability from Michigan Technological University. He also holds M.S. (Statistics) and B.S. (physical group), both from Tribhuvan University, Nepal. In his spare time, Dr. Ghimire likes to serve professional societies and humanitarian organizations.