rootbrowseIAC-15E3session 44. Assuring a Safe, Secure, and Sustainable Space Environment for Space ActivitiesPapers1. Status update on the development of UN COPUOS guidelines for space sustainability2. self-defense in space: perspectives, analogies, and prospects3. Multi Lateral Initiatives for Long Term Sustainability of Outer Space Activities4. Beyond the space commons: an alternative framework for assessing space debris governance and sustainability efforts5. Active Debris Removal: legal obstacles and policy alternatives6. international spacecraft design policies for orbital servicing7. Knowledge Base for Informed Space Security Policy8. Developing criteria for sustainability in the orbital environment9. The Academic Development of Space Activities Research in China10. Corporate Social Responsibility – A Strategy For Sustainable Commercial Space11. Looking at the governance scheme for the future global navigation satellite systems (GNSS)