1. Fundamentals of Energy: Its Potentials and Achievements Meenakshi Sati, Megha Verma 2. Renewable energy: prospects and challenges for the current and future scenarios Manendra Singh, Amit Bijlwan, Amit Kumar, Rajat Singh 3. Green Technology in Relation to Sustainable Agriculture: A Methodological Approach Ishwar Prakash Sharma, Chandra Kanta 4. Briquetting: A technique for the densification of biomass for agriculture waste Garima Kumari, Sunita Rawat 5. Perspective of Agro-based bioenergy for environmental sustainability and economic development Dipti Singh, Manali Singh, Ishwar Prakash Sharma, Deepika Gabba, Upasana Gola, Neha Suyal, Nasib Singh, Puneet Negi, Narendra Kumar, Krishna Giri, Ravindra Soni, Deep Chandra Suyal 6. New insight in biogas Plants: A sustainable development approach Ratnakiran D. Wankhade 7. Efficient utilization of biomass energy for mitigating the future climate change Aditee Das, Roop Jyoti Das 8. Biofuel production by using biomass and their application Bethsebi Lalremruati, Sarita Bisht, Amit Kumar, Narendra Kumar, Hukum Singh, Parmanand Kumar 9. Biomass Gasification technologies for sustainability of future energy demand Ratnakiran D. Wankhade 10. Solar energy Challenges, gadgets, and their application Shambhavi Yadav, Anugrah Tripathi, Garima Kumari 11. Impact of Renewable Energy in Reducing Greenhouse Gases Emissions MeghaVerma, Meenakshi Sati, Shivani Uniyal 12. Wind energy technologies: current status and future prospective Pankaj Singh Rawat, R.C. Srivastava, Gagan Dixit 13. Emerging trends in hydropower energy Rajat Singh, Monika Bisht, Manendra Singh 14. Biochar: processing technology, characterization, and use in agriculture Neha Jeena, Rowndel Khwairakpam 15. Socio-Economic Importance of Renewable Energy Sources and their Impacts on the Environment G.S. Yurembam, D. Jhajharia