1. Editorial introduction : a strategic view on changing an industry / Jaco Appelman, Anwar Osseyran and Martijn Warnier -- 2. Creating synergies between approaches and tools for sustainable ICT development / Jaco Appelman, Freek Bomhof and Reinier de Nooij -- 3. Green IT current developments : a strategic view on ICT changing the global warming trend / Anwar Osseyran -- 4. Higher-order sustainability impacts of information and communication technologies / Karel F. Mulder and Dirk-Jan Peet -- 5. Standardization as ecodesign at sector level / Tineke Egyedi and Sachiko Muto -- 6. Increasing green energy market efficiency using micro agreements / Kassidy Clark, Martijn Warnier and Frances Brazier -- 7. Framework for measuring the environmental efficiency of IT and setting strategies for green IT : a case study providing guidance to chief information officers / Johanne Punte Kalsheim and Erik Beulen -- 8. Micro-training to support sustainable innovations in organizations / Mariette Overschie, Heide Lukosch, Karel Mulder and Pieter de Vries -- 9. Integration of green IT knowledge in education / Henk Plessius -- 10. Biomimicry : design and innovation that help reach eco-effective solutions / Saskia Muisenberg, Jaco Appelman and Dayna Baumeister -- 11. Conclusions : exploring synergies between efficiency and effectiveness / Anwar Osseyran, Jaco Appelman and Martijn Warnier.