Debra (Keppy) Arnoldsen is a retired Instructor of Biology from Penn State University, USA, with a 1995 Master of Science degree. In 2011, she became an inventor and entrepreneur in anaerobic digester technology. Her research interests include nutrient acquisition from food wastes and fertilizer efficiency.

Norma Nusz Chandler is a lecturer in Construction Management Program at South Dakota State University, Brookings, SD, USA. She obtained her DM in Environmental and Social Sustainability from Colorado Technical University in 2014. Her research interests include community, building, and infrastructure sustainability including corrosion and safety.

Wesley E. Donahue is Associate Professor of Management ...

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