rootbrowseIAC-19E3session 44. Assuring a Safe, Secure and Sustainable Environment for Space ActivitiesPapers1. First fruits of the Long-Term Sustainability discussions in UN COPUOS: From guideline development to guideline implementation2. Assessing the Emerging Need for a European Approach to Space Traffic Management3. Implications of Emerging Space Nation Stakeholder Preferences for Future Space Traffic Management System Architecture4. Industry Implementation of the Long-Term Sustainability Guidelines: An Astroscale Perspective5. The Critical Role of Norm-Building and Collaboration in “Standardized, Safe, and Sustainable” Commercial On-Orbit Satellite Servicing (OOS)6. For Establishing Space Governance: De-packageing the Arguments7. Towards Norms of Behavior: Outcomes of the Summit for Space Sustainability8. Overcoming Sovereignty for Space Traffic Management9. Private and public cooperation in SST in support of an effective STM system10. International Space Reference Architecture (ISRA)11. The way forward to ICSO : an International Organization to handle a sustainable Space Traffic Management.12. Active Debris Removal: Legal, Policy and Economic Aspects