1. Introduction: Trends in composting and vermicomposting technologies 2. Vermicomposting technology for organic waste management 3. Design and operation of aeration devices for composting and vermi-composting 4. Composting systems and mature end-products production 5. Modeling and optimization of composting technology 6. Role of biochar and bulking agents and additive on composting 7. Global warming potential of N2O emission and mitigation strategies via composting 8. Design principles of sustainable composting and recovery of value-added products from compost 9. Role of microbes and microbial dynamics during composting 10. Composting of antibiotic residues 11. Challenges and opportunities associated with composting and end-product applications 12. Life-cycle assessment in composting technology 13. Economic evaluation of composting/vermi-composing technologies 14. Business models of composting for a circular economy 15. Enabling environment sanitation and financing by composting technologies