Dr.Pucha : Inaugural Serve-Learn-Sustain: Food, Energy, and Water Systems (FEWS) Fellow, 2016. Implement sustainability aspects in the curriculum. Posted on May 31, 2019 Written by Raghuram Pucha The Fall 2016 SLS FEWS Fellows explored sustainable community-building through the integrated lens of food, energy, and water systems, touching on issues such as socio-technical systems, civic engagement, and safety and security.