Dr. Rajib Sarkar is presently the principal of Basirhat Mahabodhi College of Education, Champapukur, North 24 Parganas of about 22 years in TEIs and school education. He has hold many posts and actively participated in various programmes throughout his teaching career. He is as good a teacher and as an author for several books he owed to publish in both English and Bengali medium. Being a zoologist, he primarily wrote about environmental education and then population education; which has got immense publicity among the readers and teachers of education. He also wrote about “Knowledge and Curriculum” and till today is engaged in writing flawlessly. Dr. Sarkar has initiated his career  as a school teacher after finishing his studies with flying colours. He is M.Sc. in Zoology and has inquisitiveness about fishes and birds that he passed in 1993. After 13 years of successful teaching career he pursued for masters in Education and got Doctorate degree in 2016. He also served as assistant professor of Education in TEIs for 9 years and hold administrative post very recently. He travels extensively and takes part in awareness programme for environment; he recently published research papers on educational technology and comparative study of sustainable development in India and Malaysia. In the present book he has tried to introduce the enormous contents of environmental and population education within covers bearing in mind that topics must be lucidly discussed without burdening over the curriculum and the attempt is a success or not is entirely upto your satisfaction and critical appreciation.