We are pleased to inform you that the VIII international conference on "Sustainable Energy and Environmental Challenges" (VIII SEEC) is being organized from December 4th – 6th, 2023, at the Malaviya National Institute of Technology Jaipur, India, under the auspices of the International Society for Energy, Environment and Sustainability (ISEES). This conference will be held in physical mode. The conference aims to promote high-quality research in the broad areas of energy and environmental sustainability and biotechnologies. Details of the conference and updates can be found on the website https://isees.in/index/VIII%20SEEC%20Website/Index.html