This is classified as a online book, but is a very short one. The learning goals of the "book" are that students "• Understand the need for sustainability • Know the difference between green Information Systems (IS) and green Information Technology (IT) • Use the u-factors to analyze how IS can support a green physical system • Apply a framework to identify opportunities for green IS and green IT • Understand the need to align corporate and IS green strategies • Understand three different approaches to ecological thinking."