Environmental systems engineering represents a multi-disciplinary approach that brings together engineering, ecological science, and systems thinking to address the growing complexity of environmental challenges. It emphasizes the interconnectedness of natural and human-made systems, applying analytical and modelling techniques to understand processes, identify patterns, and develop sustainable interventions. By adopting this holistic perspective, the field ensures that resource management and infrastructure design are guided not only by technical efficiency but also by ecological balance and social responsibility. Central to this discipline is the development and management of critical systems, such as water resources, wastewater treatment, air quality control, energy networks, and solid waste management. Through advanced modelling, data analytics, and decision-support tools, practitioners can simulate environmental scenarios, optimize system performance, and create adaptive strategies. Innovations, such as smart urban infrastructure and nature-based solutions further highlight how technology and ecology can converge to build resilient communities capable of withstanding climate variability and rapid urbanization. Beyond technological innovation, environmental systems engineering underscores the role of governance, ethics, and policy in shaping sustainable futures. Inclusive decision-making, transparent frameworks, and a commitment to equity are necessary to ensure that solutions are not only effective but also just and widely acceptable. By integrating scientific knowledge with ethical principles and innovative design, this field advances a vision of sustainability that balances environmental integrity with societal progress, paving the way for transformative solutions to global challenges.
Mr. Pankaj Kumar is a dedicated academician currently serving as an Assistant Professor at B.P. Mandal College of Engineering, Madhepura. He holds M.Tech. degree in Environmental Engineering from NIT, Patna, with 5 years of teaching experience, which underpins his commitment to delivering high-quality technical education. With a deep seated passion for engineering and technology, he strives to inspire students and foster a comprehensive understanding of complex concepts. By integrating strong theoretical foundations with practical, real-world applications, he makes challenging topics accessible and engaging. His teaching approach bridges the gap between academia and industry, aiming to prepare students not just for exams but for meaningful careers. In addition to his teaching responsibilities, he has actively contributed to the field of Civil Engineering through research papers published in reputed national and international journals and conferences. His research interests include structural engineering, construction materials, transportation systems, and sustainable infrastructure development. Through his scholarly work, he continues to explore innovative solutions to engineering challenges, enriching the academic community and advancing civil engineering practices.
Mr. Akhilesh Kumar is an accomplished academician in the f ield of Civil Engineering, serving as an Assistant Professor at B.P. Mandal College of Engineering with over seven years of experience in teaching, research, and academic administration. He holds B. Tech. in Civil Engineering from Giani Zail Singh College of Engineering & Technology, Bathinda and M. Tech. in Transportation Engineering from the National Institute of Technology (NIT), Patna. His core research interests lie in the areas of transportation planning, traffic engineering, pavement design, sustainable urban mobility, intelligent transportation systems (ITS), and sustainable engineering. His work is driven by a commitment to advancing efficient, safe, and sustainable transportation infrastructure. Through a combination of rigorous academic training and practical insight, he aims to bridge the gap between theory and practice, fostering innovation and excellence in the domain of transportation engineering.
Mr. Aditya Kumar is a committed academician, presently serving as an Assistant Professor at Government Engineering College, Khagaria, Bihar. He holds an M.Tech in Environmental Engineering from the National Institute of Technology (NIT), Patna.With a strong foundation in environmental engineering, he brings both knowledge and expertise to his teaching, research, and academic writing. His passion for engineering and technology is evident in his work, where he consistently strives to inspire students and foster a deeper understanding of complex concepts. Mr. Kumar has contributed to the academic community through more than 10 publications, including research papers in reputed national and international journals, conference proceedings, book chapters, books, and articles. His scholarly contributions span both the theoretical and applied dimensions of civil and environmental engineering, reflecting his commitment to advancing knowledge in the field. He aspires to continue contributing meaningfully to engineering education, research, and industry practices, with a focus on sustainable and innovative solutions for environmental challenges."
Dr. Mani Bhushan is an esteemed Senior Assistant Professor -cum-Principal-in-Charge at Government Engineering College, Khagaria, Bihar. With a distinguished teaching and academic career of over 7.5 years, he has established himself as a dedicated educator, researcher, and institutional leader.He holds a Ph.D. in Civil Engineering with a specialization in Water Resources Engineering from the National Institute of Technology (NIT), Patna. His commitment to advancing knowledge in civil engineering is reflected in his extensive academic and research contributions. Dr. Bhushan has authored more than 25 publications, including research papers in reputed international and national journals, conference proceedings, books, book chapters, and articles, contributing to both the theoretical and applied dimensions of civil and water resources engineering.Through his vision and dedication, he continues to foster excellence in teaching, research, and academic leadership, inspiring students, colleagues, and the broader engineering community alike."
1. Foundations of Environmental Systems Engineering .............................1
2. Systems Analysis and Modelling Techniques .......................................13
3. Integrated Environmental Design Principles ........................................25
4. Water Resource Systems Engineering ...................................................35
5. Wastewater Systems: Collection, Treatment and Reuse .......................53
6. Air Quality and Atmospheric Systems ..................................................65
7. Solid Waste and Material Flow Systems ...............................................91
8. Energy and Environmental Systems ...................................................109
9. Urban Environmental Systems and Smart Cities ................................129
10. Ecosystem-based Design and Nature-based Solutions .......................147
11. Climate-Resilient System Design .......................................................167
12. Environmental Data Analytics and Decision Support Systems ..........183
13. Life Cycle Assessment and Systems Optimization .............................203
14. Policy, Governance and Ethics in System Design...............................219
15. Innovations in Environmental Systems Engineering ..........................233
