We are very glad to present this book on ES-115 “Environmental Studies” in the hands of F.Y.B.Sc. students and teachers. The book is strictly compiled and written according to the National Education Policy (NEP) pattern syllabus framed by the board of studies in Zoology, KBC NMU Jalgaon, for F.Y.B.Sc. to be implemented form June 2022 and is written in very simple language giving exhaustive details. Questions of various types are included at the end of each chapter. References are included at the end of the book for ready references to students and teachers for further study and reading. This will help in generating interest and thorough understanding of the subject. We hope, this book will be useful for student and teachers.