Dr. Abhishek Kumar Bhardwaj is working as an Assistant Professor at Amity School of Life Sciences, Department of Environmental Science, Amity University, India. He obtained his PhD from the Central University of Allahabad, Prayagraj, India, in the field of environmental nanotechnology. He has also done Post-doctoral research at the Department of Environmental Science, VBS Purvanchal University, Jaunpur (India). Currently, He is actively involved in the teaching and guidance of undergraduate, MSc, and PhD students. Dr. Bhardwaj's research interests encompass a wide array of topics, including green synthesis of nanomaterials for water purification, bio-sensing, nano-based device fabrication, water treatment, diatom cultivation, mushroom cultivation, phytoremediation, and waste management. His contributions to the field are well-recognized, as he has published over 30 research papers in prestigious journals, including Elsevier, Springer, American Chemical Society, American Institute of Physics, MDPI, and Frontier, among others. Furthermore, Dr. Bhardwaj serves as a respected reviewer for esteemed journals such as Journals of Cleaner Production, Journals of Environmental Pollution, Bioresource Technology, Journals of Nanoparticle Research, Scientific Reports, and more. He has also edited two books in collaboration with Elsevier and Springer. His dedication to academia and research has made him a valuable asset to the scientific community and a significant influence in the field of environmental science and nanotechnology. Dr. Kuldip Dwivedi is a professor and the head of the Department of Environmental Science at Amity University Madhya Pradesh (AUMP) in Gwalior (India). In the year 2007, he received his Ph.D. on the topic "In vitro Screening and Biochemical Studies for Salt-Tolerance in Trifolium alexandrinum." He has a total of eight years of research experience and fifteen years of teaching experience. He has successfully mentored four students through the Ph.D. process. He is currently teaching and assisting graduation,postgraduate, and Ph.D students at Amity University in Gwalior in frontier areas of Environmental Science. Phytoremediation, ecological restoration, nanomaterials for environmental cleaning, biosensors for environment and agriculture, abiotic stress biology, environmental biotechnology, agro-ecological studies of crop plants, and micropropagation of important crop plants and trees are just a few of his research interests. He has over 30 research papers published in prestigious international and national journals. He's written two books for graduate students. Mika Sillanpää is a professor at the University of Johannesburg, South Africa. His research centers on chemical treatment in environmental engineering, environmental monitoring, and resource recovery from waste streams.Sillanpää received his M.Sc. (Eng.) and D.Sc. (Eng.) degrees from the Aalto University where he also completed an MBA degree in 2013. Since 2000, he has been a full professor/adjunct professor at the University of Oulu, the University of Eastern Finland, the LUT University, the University of Eastern Finland and the University of Johannesburg.He has received numerous awards for research and innovation. He is the first Laureate of Scientific Committee on the Problems of the Environment (SCOPE)’s Young Investigator Award, which was delivered at the UNESCO Conference in Shanghai 2010 for his “significant contributions, outstanding achievements and research leadership in Environmental Technological Innovations to address present water pollution problems worldwide, especially with regard to wastewater treatment and reuse”. In 2011, he was invited to act as a Principal Scientific Reviewer in the GEO-5 report of the United Nations Environmental Programme (UNEP). In 2012, he received Tapani Järvinen Environmental Technology Award and Publication Award of the Lappeenranta University of Technology. In 2014, he received the Science Award of the Lappeenranta University of Technology and Pro Mikkeli Award. In 2018, he was invited as a Member of the Finnish Academy of Sciences and Letters and Technology Academy of Finland. He also received Literature award from the Water Association of Finland in 2018. Dr. Arun Lal Srivastav is working as Professor and Associate Dean (Research), Tulas University, Dehradun, Uttarakhand, India. He received PhD from the Indian Institute of Technology (BHU), Varanasi. He has also done post-doctoral research at National Chung Hsing University, Taiwan. He is currently involved in the teaching of Environmental Science and Engineering, Disaster Management to the undergraduate engineering students. His research interests include water quality surveillance, climate change, water treatment, river ecosystem, soil health maintenance, engineering education, phytoremediation and waste management. Under his supervision, 3 PhD degrees have been awarded. He has published >150 research papers in various prestigious journals (Elsevier, Springer, IWA, Taylor & Francis etc.) including books, book chapters and conference publications. He has edited many books with Elsevier, Springer, NOVA, IGI global and Wiley. He worked on 04 Government sponsored projects (worth ~16 million INR) on phytoremediation, adsorption, capacity building, organic farming, leachate treatment, agro-waste management etc. He received the prestigious "Teachers Associateship for Research Excellence (TARE) Fellowship" followed by a research grant from the Science and Engineering Research Board (SERB), Govt. of India in 2022. He has also filed 31 patents on multidisciplinary topics and 14 out of which have been granted by the Government of India. He has also been recognized among the top 2% worldwide scientists of Earth and Environmental Sciences jointly by Stanford University and Elsevier in the year 2023, 2024 and 2025. Recently, his name has been included in top 0.05% scholars of the year 2025 by ScholarGPS in Environmental Sciences.

• Global status of biogenic and nonbiogenic waste production and their employability in nanomaterial productionSustainable advances in the synthesis of waste-derived value-added metal nanoparticles and their applicationsFundamental scope of nanomaterial synthesis from wastesAnticipated challenges in the synthesis of different nanomaterials using biogenic wasteDomestic waste utilization in the synthesis of functional nanomaterialPanorama of microbial regimes toward nanomaterials’ synthesisSustainable valorization of food waste for the biogeneration of nanomaterialsIndustrial wastes and their suitability for the synthesis of nanomaterialsScope to improve the synthesis of nanomaterial’s using industrial wasteApplication and characterization of nonbiogenic synthesized nanomaterialsNanomaterial synthesis using tire and plasticEmerging biowaste-derived surfaces to support redox-sensitive nanoparticles: applications in removal of synthetic dyesNanomaterials synthesis from the industrial solid wastesNanomaterials’ synthesis from the industrial solid wastesGreen synthesis of nanomaterials from plant resources: its properties and applicationsNanotechnology for sustainable development and future: a reviewUtilization of biogenic waste as a valuable calcium resource in the hydrothermal synthesis of calcium- orthophosphate nanomaterialA review of plant-derived metallic nanoparticles synthesized by biosynthesis: synthesis, characterization, and applicationsThe intra- and extracellular mechanisms of microbially synthesized nanomaterials and their purificationFundamental scope of nanomaterial synthesis from wastesApplication of nanomaterials synthesized using agriculture waste for wastewater treatmentNanomaterial synthesis from the plant extract and tree partRecent advances in agriculture waste for nanomaterial productionNanomaterials’ synthesis from the fruit wastes

Dr. Abhishek Kumar Bhardwaj is working as an Assistant Professor at Amity School of Life Sciences, Department of Environmental Science, Amity University, India. He obtained his PhD from the Central University of Allahabad, Prayagraj, India, in the field of environmental nanotechnology. He has also done Post-doctoral research at the Department of Environmental Science, VBS Purvanchal University, Jaunpur (India). Currently, He is actively involved in the teaching and guidance of undergraduate, MSc, and PhD students. Dr. Bhardwaj's research interests encompass a wide array of topics, including green synthesis of nanomaterials for water purification, bio-sensing, nano-based device fabrication, water treatment, diatom cultivation, mushroom cultivation, phytoremediation, and waste management. His contributions to the field are well-recognized, as he has published over 30 research papers in prestigious journals, including Elsevier, Springer, American Chemical Society, American Institute of Physics, MDPI, and Frontier, among others. Furthermore, Dr. Bhardwaj serves as a respected reviewer for esteemed journals such as Journals of Cleaner Production, Journals of Environmental Pollution, Bioresource Technology, Journals of Nanoparticle Research, Scientific Reports, and more. He has also edited two books in collaboration with Elsevier and Springer. His dedication to academia and research has made him a valuable asset to the scientific community and a significant influence in the field of environmental science and nanotechnology. Dr. Kuldip Dwivedi is a professor and the head of the Department of Environmental Science at Amity University Madhya Pradesh (AUMP) in Gwalior (India). In the year 2007, he received his Ph.D. on the topic "In vitro Screening and Biochemical Studies for Salt-Tolerance in Trifolium alexandrinum." He has a total of eight years of research experience and fifteen years of teaching experience. He has successfully mentored four students through the Ph.D. process. He is currently teaching and assisting graduation,postgraduate, and Ph.D students at Amity University in Gwalior in frontier areas of Environmental Science. Phytoremediation, ecological restoration, nanomaterials for environmental cleaning, biosensors for environment and agriculture, abiotic stress biology, environmental biotechnology, agro-ecological studies of crop plants, and micropropagation of important crop plants and trees are just a few of his research interests. He has over 30 research papers published in prestigious international and national journals. He's written two books for graduate students. Mika Sillanpää is a professor at the University of Johannesburg, South Africa. His research centers on chemical treatment in environmental engineering, environmental monitoring, and resource recovery from waste streams.Sillanpää received his M.Sc. (Eng.) and D.Sc. (Eng.) degrees from the Aalto University where he also completed an MBA degree in 2013. Since 2000, he has been a full professor/adjunct professor at the University of Oulu, the University of Eastern Finland, the LUT University, the University of Eastern Finland and the University of Johannesburg.He has received numerous awards for research and innovation. He is the first Laureate of Scientific Committee on the Problems of the Environment (SCOPE)’s Young Investigator Award, which was delivered at the UNESCO Conference in Shanghai 2010 for his “significant contributions, outstanding achievements and research leadership in Environmental Technological Innovations to address present water pollution problems worldwide, especially with regard to wastewater treatment and reuse”. In 2011, he was invited to act as a Principal Scientific Reviewer in the GEO-5 report of the United Nations Environmental Programme (UNEP). In 2012, he received Tapani Järvinen Environmental Technology Award and Publication Award of the Lappeenranta University of Technology. In 2014, he received the Science Award of the Lappeenranta University of Technology and Pro Mikkeli Award. In 2018, he was invited as a Member of the Finnish Academy of Sciences and Letters and Technology Academy of Finland. He also received Literature award from the Water Association of Finland in 2018. Dr. Arun Lal Srivastav is working as Professor and Associate Dean (Research), Tulas University, Dehradun, Uttarakhand, India. He received PhD from the Indian Institute of Technology (BHU), Varanasi. He has also done post-doctoral research at National Chung Hsing University, Taiwan. He is currently involved in the teaching of Environmental Science and Engineering, Disaster Management to the undergraduate engineering students. His research interests include water quality surveillance, climate change, water treatment, river ecosystem, soil health maintenance, engineering education, phytoremediation and waste management. Under his supervision, 3 PhD degrees have been awarded. He has published >150 research papers in various prestigious journals (Elsevier, Springer, IWA, Taylor & Francis etc.) including books, book chapters and conference publications. He has edited many books with Elsevier, Springer, NOVA, IGI global and Wiley. He worked on 04 Government sponsored projects (worth ~16 million INR) on phytoremediation, adsorption, capacity building, organic farming, leachate treatment, agro-waste management etc. He received the prestigious "Teachers Associateship for Research Excellence (TARE) Fellowship" followed by a research grant from the Science and Engineering Research Board (SERB), Govt. of India in 2022. He has also filed 31 patents on multidisciplinary topics and 14 out of which have been granted by the Government of India. He has also been recognized among the top 2% worldwide scientists of Earth and Environmental Sciences jointly by Stanford University and Elsevier in the year 2023, 2024 and 2025. Recently, his name has been included in top 0.05% scholars of the year 2025 by ScholarGPS in Environmental Sciences.

• Global status of biogenic and nonbiogenic waste production and their employability in nanomaterial productionSustainable advances in the synthesis of waste-derived value-added metal nanoparticles and their applicationsFundamental scope of nanomaterial synthesis from wastesAnticipated challenges in the synthesis of different nanomaterials using biogenic wasteDomestic waste utilization in the synthesis of functional nanomaterialPanorama of microbial regimes toward nanomaterials’ synthesisSustainable valorization of food waste for the biogeneration of nanomaterialsIndustrial wastes and their suitability for the synthesis of nanomaterialsScope to improve the synthesis of nanomaterial’s using industrial wasteApplication and characterization of nonbiogenic synthesized nanomaterialsNanomaterial synthesis using tire and plasticEmerging biowaste-derived surfaces to support redox-sensitive nanoparticles: applications in removal of synthetic dyesNanomaterials synthesis from the industrial solid wastesNanomaterials’ synthesis from the industrial solid wastesGreen synthesis of nanomaterials from plant resources: its properties and applicationsNanotechnology for sustainable development and future: a reviewUtilization of biogenic waste as a valuable calcium resource in the hydrothermal synthesis of calcium- orthophosphate nanomaterialA review of plant-derived metallic nanoparticles synthesized by biosynthesis: synthesis, characterization, and applicationsThe intra- and extracellular mechanisms of microbially synthesized nanomaterials and their purificationFundamental scope of nanomaterial synthesis from wastesApplication of nanomaterials synthesized using agriculture waste for wastewater treatmentNanomaterial synthesis from the plant extract and tree partRecent advances in agriculture waste for nanomaterial productionNanomaterials’ synthesis from the fruit wastes

Dr. Abhishek Kumar Bhardwaj is working as an Assistant Professor at Amity School of Life Sciences, Department of Environmental Science, Amity University, India. He obtained his PhD from the Central University of Allahabad, Prayagraj, India, in the field of environmental nanotechnology. He has also done Post-doctoral research at the Department of Environmental Science, VBS Purvanchal University, Jaunpur (India). Currently, He is actively involved in the teaching and guidance of undergraduate, MSc, and PhD students. Dr. Bhardwaj's research interests encompass a wide array of topics, including green synthesis of nanomaterials for water purification, bio-sensing, nano-based device fabrication, water treatment, diatom cultivation, mushroom cultivation, phytoremediation, and waste management. His contributions to the field are well-recognized, as he has published over 30 research papers in prestigious journals, including Elsevier, Springer, American Chemical Society, American Institute of Physics, MDPI, and Frontier, among others. Furthermore, Dr. Bhardwaj serves as a respected reviewer for esteemed journals such as Journals of Cleaner Production, Journals of Environmental Pollution, Bioresource Technology, Journals of Nanoparticle Research, Scientific Reports, and more. He has also edited two books in collaboration with Elsevier and Springer. His dedication to academia and research has made him a valuable asset to the scientific community and a significant influence in the field of environmental science and nanotechnology. Dr. Kuldip Dwivedi is a professor and the head of the Department of Environmental Science at Amity University Madhya Pradesh (AUMP) in Gwalior (India). In the year 2007, he received his Ph.D. on the topic "In vitro Screening and Biochemical Studies for Salt-Tolerance in Trifolium alexandrinum." He has a total of eight years of research experience and fifteen years of teaching experience. He has successfully mentored four students through the Ph.D. process. He is currently teaching and assisting graduation,postgraduate, and Ph.D students at Amity University in Gwalior in frontier areas of Environmental Science. Phytoremediation, ecological restoration, nanomaterials for environmental cleaning, biosensors for environment and agriculture, abiotic stress biology, environmental biotechnology, agro-ecological studies of crop plants, and micropropagation of important crop plants and trees are just a few of his research interests. He has over 30 research papers published in prestigious international and national journals. He's written two books for graduate students. Mika Sillanpää is a professor at the University of Johannesburg, South Africa. His research centers on chemical treatment in environmental engineering, environmental monitoring, and resource recovery from waste streams.Sillanpää received his M.Sc. (Eng.) and D.Sc. (Eng.) degrees from the Aalto University where he also completed an MBA degree in 2013. Since 2000, he has been a full professor/adjunct professor at the University of Oulu, the University of Eastern Finland, the LUT University, the University of Eastern Finland and the University of Johannesburg.He has received numerous awards for research and innovation. He is the first Laureate of Scientific Committee on the Problems of the Environment (SCOPE)’s Young Investigator Award, which was delivered at the UNESCO Conference in Shanghai 2010 for his “significant contributions, outstanding achievements and research leadership in Environmental Technological Innovations to address present water pollution problems worldwide, especially with regard to wastewater treatment and reuse”. In 2011, he was invited to act as a Principal Scientific Reviewer in the GEO-5 report of the United Nations Environmental Programme (UNEP). In 2012, he received Tapani Järvinen Environmental Technology Award and Publication Award of the Lappeenranta University of Technology. In 2014, he received the Science Award of the Lappeenranta University of Technology and Pro Mikkeli Award. In 2018, he was invited as a Member of the Finnish Academy of Sciences and Letters and Technology Academy of Finland. He also received Literature award from the Water Association of Finland in 2018. Dr. Arun Lal Srivastav is working as Professor and Associate Dean (Research), Tulas University, Dehradun, Uttarakhand, India. He received PhD from the Indian Institute of Technology (BHU), Varanasi. He has also done post-doctoral research at National Chung Hsing University, Taiwan. He is currently involved in the teaching of Environmental Science and Engineering, Disaster Management to the undergraduate engineering students. His research interests include water quality surveillance, climate change, water treatment, river ecosystem, soil health maintenance, engineering education, phytoremediation and waste management. Under his supervision, 3 PhD degrees have been awarded. He has published >150 research papers in various prestigious journals (Elsevier, Springer, IWA, Taylor & Francis etc.) including books, book chapters and conference publications. He has edited many books with Elsevier, Springer, NOVA, IGI global and Wiley. He worked on 04 Government sponsored projects (worth ~16 million INR) on phytoremediation, adsorption, capacity building, organic farming, leachate treatment, agro-waste management etc. He received the prestigious "Teachers Associateship for Research Excellence (TARE) Fellowship" followed by a research grant from the Science and Engineering Research Board (SERB), Govt. of India in 2022. He has also filed 31 patents on multidisciplinary topics and 14 out of which have been granted by the Government of India. He has also been recognized among the top 2% worldwide scientists of Earth and Environmental Sciences jointly by Stanford University and Elsevier in the year 2023, 2024 and 2025. Recently, his name has been included in top 0.05% scholars of the year 2025 by ScholarGPS in Environmental Sciences.

• Global status of biogenic and nonbiogenic waste production and their employability in nanomaterial productionSustainable advances in the synthesis of waste-derived value-added metal nanoparticles and their applicationsFundamental scope of nanomaterial synthesis from wastesAnticipated challenges in the synthesis of different nanomaterials using biogenic wasteDomestic waste utilization in the synthesis of functional nanomaterialPanorama of microbial regimes toward nanomaterials’ synthesisSustainable valorization of food waste for the biogeneration of nanomaterialsIndustrial wastes and their suitability for the synthesis of nanomaterialsScope to improve the synthesis of nanomaterial’s using industrial wasteApplication and characterization of nonbiogenic synthesized nanomaterialsNanomaterial synthesis using tire and plasticEmerging biowaste-derived surfaces to support redox-sensitive nanoparticles: applications in removal of synthetic dyesNanomaterials synthesis from the industrial solid wastesNanomaterials’ synthesis from the industrial solid wastesGreen synthesis of nanomaterials from plant resources: its properties and applicationsNanotechnology for sustainable development and future: a reviewUtilization of biogenic waste as a valuable calcium resource in the hydrothermal synthesis of calcium- orthophosphate nanomaterialA review of plant-derived metallic nanoparticles synthesized by biosynthesis: synthesis, characterization, and applicationsThe intra- and extracellular mechanisms of microbially synthesized nanomaterials and their purificationFundamental scope of nanomaterial synthesis from wastesApplication of nanomaterials synthesized using agriculture waste for wastewater treatmentNanomaterial synthesis from the plant extract and tree partRecent advances in agriculture waste for nanomaterial productionNanomaterials’ synthesis from the fruit wastes