Modular farming, which is growing crops in self-contained, movable units so they can thrive in difficult climates, is becoming more than just a sustainability goal for social impact organizations. It is also becoming a big business that’s increasingly being backed by venture capitalists and private equity firms. New startups in this market are sometimes models for not only how to make profits while contributing to the social good, but also how such profits can lead to innovation that goes on to create additional social good. In this podcast interview, Sherryl Kuhlman, managing director of Wharton Social Impact Initiative (WSII), interviews Joey Hundert, founder and CEO of Sustainitech , about these developments and where the whole movement is heading . An edited transcript of the conversation follows. Sherryl Kuhlman: Tell us about Sustainitech. Joey Hundert: Sustainitech produces indoor agriculture facilities in spaces.…