Dr. Shashi Kant Bhatia is an Associate professor in the Department of Biological Engineering, Konkuk University, Seoul, South Korea, and has more than ten years’ of experience in biowaste valorization into bioenergy, biochemicals, and biomaterials. He holds an M.Sc and a Ph.D in biotechnology from Himachal Pradesh University (India). Dr. Bhatia has worked as a Brain Pool Post Doc Fellow at Konkuk University (2014–2016) and has contributed extensively to the industrial press and served as an editorial board member of Sustainability and Energies journal and associate editor of Frontier of Microbiology, Microbial Cell Factories, Biomass Conversion and Biorefinery, Bioprocess and Biosystem Engineering, Carbohydrate Technology and Applications, 3 Biotech, and PLOS One journals. He is the Editor-in-Chief of the Biotechnology for Sustainable Materials journal. He has published more than 200 research and review articles on industrial biotechnology, bioenergy production, biomaterials, biotransformation, microbial fermentation, and enzyme technology in international scientific peer-reviewed journals and holds 15 international patents. He has also edited 7 books on microbial biotechnology. With more than 15000 citations with an h-index of 66 and an i10 index of 216 (As per Google Scholar), he is included in the top 2% of the Scientist List at Stanford University. Dr. Bhatia has successfully supervised and completed three projects funded by NRF Korea ($ 600,000).Dr. Bikash Kumar is currently working as anAssistant Professor at Amity Institute of Biotechnology, Amity University Chhattisgarh, Raipur, Chhattisgarh, India. He also served as a National Post-Doctoral Fellow at the Department of Biosciences and Biomedical Engineering, Indian Institute of Technology, Indore, Madhya Pradesh, and as a Post-Doctoral Research Associate at the Department of Biosciences and Bioengineering at the Indian Institute of Guwahati, Guwahati, Assam. His work is focused on the development of microbial and bioprocess technology with focus on biomass pretreatment technologies and microbial bioactive compounds such as enzyme (cellulases, laccase, xylanases), for greener energy, environmental sustainability, and health. Dr. Kumar earned his PhD from the Department of Microbiology, Central University of Rajasthan, India. The work has resulted in the publication of more than 25+ research/reviewpapers and 25+ book chapters. He has edited three books on biorefinery and sustainable agriculture applications, and has been acknowledged for Editorial assistance to Prof. Pradeep Verma in compiling 11 books for CRC Press, Elsevier, and Springer. His work has attracted significant impact, which is evident from 2973+ citations with h-index-25–, & i-10- index-30. He is the recipient of several awards and Fellowships, such as the AMI-Young Scientist Award, INSA-NASI-SRF, CSIR-SRF, JNMF scholarship, etc. He is a life member of the Biotech Research Society of India (BRSI), the Association of Microbiologists of India (AMI), the Mycological Society of India (MSI), and the Association of Carbohydrate Chemists and Technologists, India (ACCTI). He is a reviewer of 20+ peer-reviewed research journals for Elsevier, Wiley, MDPI, Springer, and Taylor and Francis. Dr. Bikash Kumar is working as an Associate Editor in Frontiers in Energy Research, Guest Editor for a Special Issue in Frontiers in Bioengineering and Biotechnology (Green Synthesis of Catalyst for Sustainable Industrial Technologies), and Review Editor for Frontiers in Chemistry. Dr. Kumar is the recipient of DST-SERB NPDF project funding of 2.711 million INR. He is included in the top 2% of the Scientists List by Stanford University in the list for the year 2023. Dr. Sanjeet Mehariya (PhD) is a scientist at CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow, India. In addition, Dr. Mehariya holds an Assistant Professor position at the Academy of Scientific and Innovative Research (AcSIR) in Ghaziabad, India. Also, he worked as an Assistant Professor at the Department of Biosciences, Manipal University, Jaipur, India. He worked as a Post-Doc Researcher at the Algal Technology Program, Center for Sustainable Development, Qatar University, Qatar, and Umeå University, Sweden. Also, he worked as a visiting Researcher at the Department of Microbiology, Central University of Rajasthan, India. Dr. Mehariya earned his PhD from the European Project in Italy in 2020. Since 2023, he has been selected in the Top 2% Scientist list by Stanford University, USA, continuously, and he has published 90+ publications, including research, review articles, and book chapters, with high citations and an h-index of 40. Also, he has edited 7 books and 1 special issue. He has 14+ years’ experience from i) Qatar University, Qatar; ii) Umeå University, Sweden; iii) Sapienza—University of Rome, Italy; iv) University of Campania “Luigi Vanvitelli”, Italy; v) Hong Kong Baptist University, Hong Kong; vi) ENEA-Italian National Agency for New Technologies, Rome, Italy vii) Konkuk University, South Korea; and viii) CSIR-Institute of Genomics and Integrative Biology, India. Dr. Mehariya serves as a reviewer for various funding agencies, including Horizon H2020-Marie Sklodowska-Curie Individual Fellowships-Europe, and a reviewer for high-impact peer review journals, including Nature Communications, Chemical Engineering Journal, and many others. He is a life member of various global scientific societies.

• 1. Introduction2. Bioenergy crops a source of renewable energy3. Agricultural biomass pyrolysis for energy production4. Gasification technologies for agro-waste to energy conversion5. Hydrothermal liquification of agricultural biomass to energy6. Advances in agro biomass pretreatment for a feedstock for fermentation7. Bioalcohol production from agricultural biomass8. Biogas Production from Agricultural Waste9. Agrowaste based microbial biorefinery for biohydrogen production10. Agriculture waste a feedstock for biodiesel production11. Integrated technologies for agro-waste valorization12. Advances in technologies for energy production and analysis13. Commercialisation and techno-economic analysis of agrowaste based biofuels14. Life cycle assessment of agriculture-bioenergy nexus technologies