Perspectives on Nuclear Safety and Security.- Nuclear Safeguards and Non-Proliferation.- Scientific Community Actions to Shape National Perspectives Towards a Better Synergy Between Safety, Security and Safeguards.- Scientific Community Actions to Shape National Perspectives Towards Nuclear Security Current and Future Challenges.- Scientific Community Actions to Shape Enhanced Nuclear Safeguards and Non-Proliferation Policies.- Scientific and Technical Challenges to the Effective Implementation of the 3s (Safety, Security and Safeguards) Approach.- Role of International Cooperation And Scientific Community Actions for Enhancing Nuclear Safety, Security, Safeguards and Non--‐Proliferation.