Section 1 Introduction 1. Organic electronics: an overview of key materials, processes and devices Section 2 Green materials and synthesis 2. Green synthetic approaches to p-conjugated polymers for thin-film transistors and photovoltaics applications 3. Clean synthetic approaches towards small molecule organic electronics 4. New strategies for small organic molecules synthesis based on Thieno [3, 4-c] pyrrole-4, 6-dione used in optoelectronic devices 5. Sustainable approaches in the design of dielectric materials for thin-film transistors 6. Semiconductive Materials for Organic Electronics and Bioelectronics from Renewable Resources 7. Making OLEDs sustainable - from metal free emitters to less energy-intensive processing 8. Green electrolyte-based organic electronic devices 9. Biocompatible and biodegradable organic electronic materials 10. Paper-Based Substrates for Sustainable Optoelectronic Devices 11. Advances in two-dimensional green materials for organic electronics applications Section 3 Fabrication techniques 12. Green solvents processable organic electronic devices 13. New generation flexible printed photovoltaic Section 4 Long-term vision for a viable sustainable organic electronic technology 14. End-of-life organic electronics. Which sustainable models? 15. From-Lab-to-Fab: challenges and vision for sustainable organic electronics - OPV case