1 Solar Thermal Energy: Technology, Applications, Policy Frameworks, and Economic Perspective.- 2 Wind Energy.- 3 Advancements in Ocean Energy: Harnessing Tidal Currents and Wave Dynamics for a Sustainable Future.- 4 Geothermal Water: Managing the Environment-Energy Nexus in the New Era.- 5 Microbial Bioethanol Production.- 6 Potential of Waste Activated Sludge as a Biomethane Source: A Comprehensive Characterization Analysis.- 7 Bio-Hydrogen Production with Photosynthetic Microorganisms (Microalgae, Cyanobacteria, Purple Bacteria): Opportunities and Constraints.- 8 Advancements in Biohydrogen Production Using Microorganisms.- 9 From Fossil Fuels to Green Hydrogen: A Pathway to Environmental Sustainability.- 10 Fuel Cells Technology, Applications and Its Future Prospects.- 11 Waste Cooking Oil as a Sustainable Raw Material (Feedstock) for Biodiesel Synthesis Using Carbon-Based Catalyst.- 12 Electromagnetism Implementation in Biofuels Production Processes from Biomass.- 13 Biohythane Production from Biomass: Processes, Technologies and Recent Advancements.- 14 Advancements in Pyrolytic Bio-Oil Production from Sewage Sludge: A Review.- 15 Valorization of Wastewater into Renewable Energy: An Approach for Resource Recovery.- 16 Desalination and Brine Treatment Technologies Integrated with Renewable Energy Sources.- 17 Hybrid and Integrated Energy Systems for Zero Liquid Discharge (ZLD) and Minimal Liquid Discharge (MLD).- 18 Hybrid Solar Energy Systems: Cutting-Edge Technologies and Applications for the Built Environment.- 19 The Evolution of Solar Architecture: A Critical Examination of Photovoltaic and Solar Thermal Integration in Buildings from Historical, Technological, and Energy Dynamics.- 20 A Delicate Balance: Navigating the Impact of Hydrogen Energy on Historical Buildings.
