The necessary revolution
It's important to have ambitious goals, such as zero waste, even if you don't know how to achieve them at present. Hence we read of how Coca-Cola and Alcoa, forseeing water shortages in future, restructured their businesses to use the minimum amount of water, rather than trying to claim the maximum amount of water for themselves. The book also explains how the readers can introduce sustainability into their own workplaces.
The case studies are the most useful part of the book, and I felt that it took too long to get to them. I don't work for the sort of organisation the book is aimed at, so maybe I'm not the best person to judge it, but it seemed to me that the reader has to get through 50 pages of fairly generic stuff, and the diagrams seemed to have little relevance to the text they were linked to. The book ends with a number of 'Future of' chapters, which is all very well, but I thought that it would have been better to emphasise thing the readers themselves could do at this point. So, it contains useful information, but I felt that the book was poorly structured.