Sustainability is a very interesting subject, and I was always fascinated by the concept. The course was enjoyable as well as informative; it was comprehensive and included wide topics ranging from Systems Studies to various aspects of Sustainability. The course book “The Necessary Revolution” was an excellent read. It covered the subject of environmental sustainability in detail. After reading the book, I realized the gravity of the situation and the possibility of a total environmental collapse, if immediate steps are not taken to alleviate the situation. Herman Daly (1990) in his paper has emphasized ...