You might not consider $22 a lot of money, but when you are talking about $22 in energy savings per installed computer, per year, in a large organization, it can be meaningful in terms of both cost savings and carbon-footprint reduction. Recognizing that many people are now aware of the need for more sustainable computing practices, we conducted an experiment to actually find a way to introduce such practices at Indiana University. The problem was conceptualized not only in terms of computer hardware and software, but also in terms of interactivity and policy. Our hope is that other institutions with large installed bases of desktop computers can replicate the lessons we learned…