When colleges and universities start assessing their carbon footprint, the IT department is likely to come under fire by virtue of having oversight of much of the energy consumption on campus. Just how much energy do IT functions account for? At Harvard, for example, Sustainability Office Director Heather Henriksen says that IT functions--from data centers to network equipment to desktops and laptops--make up between 13 and 25 percent of the institution’s peak electrical load.


