This is a course unit offered at Level 5 of the B.Sc. Degree Programme as an open elective course to strengthen the knowledge on non-subject area in complying with the broad aims of an undergraduate programme . This course unit provides an understanding on the Environment, its components and their importance in maintaining the life on earth and how mankind has put the very same environment into crisis creating many issues for the living being. This course tries to put thoughts on how best we can utilize and save the environment in a sustainable manner. Further, the contents direct students to think of suitable measures we could practice to achieve the healthiest environment in which man can live comfortably.