Overviews fabrication, testing, and utility of green nanomaterials in sustainable agriculture, smart drug delivery, wastewater treatment, and healthcare. Details the synthesis, characterization, and applications of green nanomaterials in areas such as agriculture, healthcare, and wastewater treatment.

Shrikaant Kulkarni, PhD, has 37 years of teaching and research experience at both the undergraduate and postgraduate levels. He is currently Adjunct Professor in the Faculty of Science and Technology at Vishwakarma University, Pune, India. He has been teaching subjects such as engineering chemistry, green chemistry, nanotechnology, analytical chemistry, catalysis, chemical engineering materials, industrial organization, and management, to name a few during his long career. He has published over 100 research papers in national and international journals and conferences. He has authored 33 book chapters in CRC, Springer, and Elsevier books. He has edited nine books from Apple Academic Press/CRC Press. He has coauthored four textbooks on chemistry as well. His areas of interest are analytical and green and sustainable chemistry. He is a reviewer and editorial board member of many journals in analytical chemistry and nanoscience. He has been invited by UNESCO to give a talk on ""Green Chemistry Education for Sustainable Development"" at the IUPAC (International Union of Pure and Applied Chemistry) international conference on green chemistry held at Bangkok (Thailand), which was well-received. He was appointed as an innovation summit judge in a Conrad Challenge competition for teams from across the world, sponsored by NASA. He has been instrumental in formulating and coordinating Rio Summit and Conference of the Parties (COP) programs dedicated to sustainable development at his institute by the United Nations Conference on Sustainable Development (UNCSD). He possesses a master's degree in Chemistry; an MPhil in Chemistry, Economics, Political Science, Business Management; and a PhD in Chemistry. He has been a resource person for various national and international events.

Megh R. Goyal, PhD, PE, is a retired Professor in Agricultural and Biomedical Engineering from the General Engineering Department in the College of Engineering at the University of Puerto Rico-Mayaguez Campus. He has worked as a Soil Conservation Inspector and as a Research Assistant at Haryana Agricultural University and Ohio State University. He was the first agricultural engineer to receive the professional license in Agricultural Engineering from the College of Engineers and Surveyors of Puerto Rico and was proclaimed as the ""Father of Irrigation Engineering in Puerto Rico for the twentieth century"" by the ASABE, Puerto Rico Section, for his pioneering work on micro irrigation, evapotranspiration, agroclimatology, and soil and water engineering. During his professional career of over 52 years, he has received many prestigious awards. A prolific author and editor, he has written more than 200 journal articles and several textbooks and has edited over 100 books.

PART I: SYNTHESIS AND CHARACTERIZATION OF GREEN NANOMATERIALS 1. Green Electrospun Polymer Nanofibers: Preparation, Challenges, and Applications 2. Green Synthesis, Characterization, and Applications of Carbon Quantum Dots PART II: APPLICATIONS OF GREEN NANOMATERIALS: HEALTH, WASTEWATER TREATMENT, AND SUSTAINABLE AGRICULTURE 3. Applications of Green Polymeric Nanocomposites in Healthcare 4. Applications of Nanocarriers Derived from Green Nanomaterials in Healthcare 5. Artificial Intelligence and Machine Learning: Application for Removal of Heavy Metals from Water Using an Adsorption Process 6. Role of Green Nanomaterials for Sustainable Agriculture PART III: APPLICATIONS OF GREEN NANOMATERIALS IN DRUG DELIVERY 7. Nanocomposite-Enabled Drug Delivery Systems: An Emerging Technology 8. Green Nanomaterials for Sustainable Targeted Drug Delivery Systems 9. Scope of Nanotools for Delivery of Anticancer Drugs PART IV: SUSTAINABILITY PERSPECTIVES OF GREEN NANOMATERIALS 10. Scope of Biopolymers: Nanoscience and Nanotechnological Perspectives 11. Sustainability of Nanomaterials: Retrospects and Prospects