blue-solar-panels-on-green-trees-during-daytime-stockpack-unsplash-scaled Robert J. Marks II October 20, 2022 Appropriate Technology: Solar Powering Hospitals, Orphanages & Schools Robert J. Marks II October 20, 2022 https://www.discovery.org/podcast-player/85722/appropriate-technology-solar-powering-hospitals-orphanages-schools.mp3
