Until now, the carbon footprint related to the use of energy by IT equipment has been largely overlooked by suppliers, customers, policy-makers and campaigners. But as the scale of energy use by IT becomes clear, and as it continues to increase, there will be a growing focus on this area, from both within the IT industry and outside it.IT has suffered an 'eco black eye' over the course of the past year. It has been accused of being a primary contributor to global warming, even though its contributions are minimal compared to other sources. Instead of IT presuming a defensive position in the 'green IT' movement, IT should assert its role as a positive force for change, in which it embraces innovative technologies and uses them to improve energy efficiency across the enterprise.It is clear