This Book Focuses On Software Sustainability, Regarded In Terms Of How Software Is Or Can Be Developed While Taking Into Consideration Environmental, Social, And Economic Dimensions. The Sixteen Chapters Cover Various Related Issues Ranging From Technical Aspects Like Energy-efficient Programming Techniques, Formal Proposals Related To Energy Efficiency Measurement, Patterns To Build Energy-efficient Software, The Role Of Developers On Energy Efficient Software Systems And Tools For Detecting And Refactoring Code Smellsenergy Bugs; To Human Aspects Like Its Impact On Software Sustainability Or The Adaptation Of Acmieee Guidelines For Student And Professional Education And; And An Economics-driven Architectural Evaluation For Sustainability. Also Aspects As The Elements Of Governance And Management That Organizations Should Consider When Implementing, Assessing And Improving Green It Or The Relationship Between Software Sustainability And The Corporate Social Responsibility Of Software Companies Are Included.