Evan A. Thomas is an Assistant Professor, Director of the SWEET Lab, and a Faculty Fellow in the Institute for Sustainable Solutions at Portland State University. Evan’s research and teaching interests include developing sustainable life support systems for spacecraft and the developing world. Evan is also a social enterprise executive as the founding Executive Vice President of Manna Energy Limited. Prior to joining PSU, Evan worked as a civil servant at the NASA-Johnson Space Center in Houston, Texas for six years. At NASA, Evan was a principal investigator and project manager in the Life Support and Habitability Systems Branch working on concepts for sustainable Moon and Mars spacecraft.

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The World Health Organization estimates that 884 million people do not have access to safe sources of drinking water. Meanwhile, about half of the world’s population continues to use unsustainable, biomass-based energy sources for indoor fuel, leading to extensive deforestation, harmful indoor air emissions, and in many cases upper respiratory …

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