Dr. Guofeng Shen is a research scientist and Tenure-track Assistant Professor at Peking University. He was awarded the ES&T Super Review Award (2020), Excellence in Review Award (2019), and ES&T Letters Excellence in Review Award (2018). He has published over 150 peer-reviewed research papers in international journals with over 6000 citations and an H index of 46 (Google Scholar data). He serves as the proposal reviewer for many science funding agencies, and a manuscript reviewer for many high-ranked journals. His research interests and experiences are in sustainable household energy and environment, largely focusing on fates, impacts, and controls of hazardous pollutants produced from indoor solid fuel use that is an important indicator of sustainable development.