Atul Kumar Upadhyay is a scholar in the field of environmental science. He completed his PhD in

the field of phytoremediation and constructed wetland technology at the CSIR-National Botanical

Research Institute, Lucknow, jointly with Kumaun University, Nainital, India. He earned his postgraduation

degree from Dr RML Avadh University, Faizabad, India, in the subject of botany. Dr

Upadhyay has performed research in the construction and design of wetlands and the plant-based

management of water and soil pollution in different states of India, and he has been involved in different

activities related to river water rejuvenation, wastewater treatment, wetland design and soil

management and pollution control. During his research, Dr Upadhyay has published a number of

research papers, articles and chapters in the peer-reviewed journals of national and international

repute. He has also published one author book, edited two books from Springer.

Currently, Atul Kumar Upadhyay is working as a post-doctoral fellow (UGC-DSKPDF) in the

Department of Environmental Science, BBAU (a central university), Lucknow, India, and involved

in working on the different aspects of algal-based sustainable phytoremediation, biofuel and bioenergy

production.

Prof. D. P. Singh, Former Head and Dean of the School for Environmental Sciences, Babasaheb

Bhimrao Ambedkar University, Lucknow, India, is an eminent scholar in the field of environmental

science. He earned his PhD from the Department of Botany, Banaras Hindu University, Varanasi,

India. He has worked extensively in the area of wastewater treatment, microbiology, stress physiology,

bioremediation and alternative energy options. He has received several honours and awards to

his credit, including more than 135 research publications in high impact factor journals of national

and international repute. He has supervised more than 24 PhD students and several MSc and MTech

students for their research work. He has delivered invited lectures in different seminars and symposia

and served as a principal investigator for several governments funded projects. Dr Singh has

published five books in the fields of environmental microbiology and biotechnology, stress physiology

and sustainable management of soil and water and edited more than ten books with a scientific

background with Springer, Elsevier, CRC etc.