Chapter 1. Defeating the Impacts of Changing Climates.- Chapter 2. Comparison on Critical Performance Characteristics of Perovskite-based Flexible Solar Cells.- Chapter 3. Electro-thermal and Mechanical Optimization of a Concentrated Solar Thermoelectric Generator.- Chapter 4. Green Technology: Application of Solar Energy into the Transportation Sector for Global Energy and Environmental Vulnerability.- Chapter 5. Renewable Energy Sources: A Study Focused on Wind Energy.- Chapter 6. Financial Optimization in the Renewable Energy Sector.- Chapter 7. Policy Responses to Climate Change: Lessons from Covid and Other Historical Crises. Chapter 8. An Energy-Efficient Green Design and Modelling of a Health Clinic Located in a Cold Climate Zone.- Chapter 9. Study on Thermal Comfort in Elderly Care Centres.- Chapter 10. Evaluating Alternative in Dental Implant Materials by SWARA and Gray Relational Analysis.