How IT Can Drive Immense Business Value by "Going Green" * For CEOs, CIOs, CFOs, and IT leaders: The green IT business case and best practices for making it happen* Timely help for companies facing rising energy costs, new government rules, and growing public concern* Powerful new insights from IBM's breakthrough $1 billion green computing initiative Chances are your enterprise IT organization has a significant carbon footprint. In an era of unpredictable energy costs, reducing energy usage throughout your data centers and IT infrastructure represents a powerful cost-cutting opportunity. Now, a top green IT expert shows business and IT leaders how to drive powerful business value by improving IT's environmental performance. Drawing on leading-edge experience, John Lamb helps you realistically assess the business case for green IT, set priorities, and overcome the internal and external challenges to making it work. He offers proven solutions for issues ranging from organizational obstacles to executive motivation and discusses crucial issues ranging from utility rate incentives to metrics. Along the way, you'll discover energy-saving opportunities--from virtualization and consolidation to cloud and grid computing--and solutions that will improve business flexibility as they reduce environmental impact. Lamb presents case studies, checklists, and more--all the practical guidance you need to drive maximum bottom-line value from your green IT initiative. Preface xxiii Acknowledgments xxix About the Author xxxiii Chapter 1: The Importance of Green IT 1 Chapter 2: The Basics of Green IT 15 Chapter 3: Collaboration Is Key for Green IT 39 Chapter 4: The Government's Role--Regulation and EPA Activity 55 Chapter 5: The Magic of "Incentive"--The Role of Electric Utilities 69 Chapter 6: A Most-Significant Step--"Virtualizing" Your IT Systems 85 Chapter 7: The Need for Standard IT Energy-Use Metrics 109 Chapter 8: What About Chillers, Cooling Tower Fans, and All That Cooling Equipment Usually Ignored by IT? 129 Chapter 9: Green IT Case Studies for Energy Utilities 147 Chapter 10: Green IT Case Studies for Universities and a Large Company 157 Chapter 11: Worldwide Green IT Case Studies 183 Chapter 12: The Future of Green IT for Corporations 205 Appendix A: Green IT Checklist and Recommendations 215 Appendix B: Green IT and Cloud Computing 237 Appendix C: Comparison of Different Power-Generation Methods 251 Appendix D: Worldwide Electricity Costs for IT with Projections 281 Glossary 289 Bibliography 301 Index 305
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