Book excerpt: “Environmental Science” is an audit course for the first year Diploma programme in Engineering & Technology. Syllabus of this book is strictly aligned as per model curriculum of AICTE, and academic content is amalgamated with the concept of outcome- based education. Book covers four units- Ecosystem, Air and Noise Pollution, Renewable Sources of Energy and Solid waste management, ISO 14000 & Environmental Management, Every unit contains as set of exercise at the end of each unit to test the student’s comprehension. Some salient features of the book: l Content of the book aligned with the mapping of Course Outcomes, Programs Outcomes and Unit Outcomes. l Book provides lots of recent information, interesting facts, QR Code for E-resources, QR Code for use of ICT, projects, group discussion etc. l Student and teacher centric subject materials included in book with balanced and chronological manner. l Figures and tables are insert to improve clarity of the topics. l Objective questions, Short questions and long answer exercise given for practice of students after every unit.