Foreword and Introduction, Volker Mauerhofer 1. The Role of Net Gain Law for Governance of a Sustainable Development, Volker Mauerhofer Part 1: Environmental Focus 2. What international framework to support the sustainable exploitation of marine energy and mineral resources?, Alix Willemez 3. The legal dimension of soil protection and sustainable use of soils, Irene Heuser 4. The conservation and sustainable use of agroecosystem in international law, Ancui Liu 5. Subsidiarity for Sustainability: Historical Development and Application in the European Union and in Federal Legal Systems, Rasyikah Md Khalid 6. Strategy for a sustainable decarbonization of the energy sector in Portugal: identification of priority policy measures, Joao Joanaz de Melo, Maria J. F. Sousa, Alfredo Marvao Pereira, Filipa Fernandes, Antonio Galvao, Joao Grilo Part 2. Social Focus 7. The role of sustainability law in public health in Nigeria, aiwo Odumosu, Samuel Adesina Okueso 8. More urban gardens, less food waste: innovative ways to achieve SDGs, Alexandra Afonso Ribeiro, Livia Madureira, Raquel Carvalho 9. Beyond Legal Mechanism: Early Environmental Education as Catalyst to achieving a sustainable environment in Nigeria, Gbade Akinrinmade 10. Tribals and Forest Rights in India: A Critical Appraisal of the Legal Literature, Kumarjeeb Pegu 11. An analytical framework to review judicial decisions based on the precautionary principle with a case study application, Vasco Goncalves Part 3: Economic Focus 12. Carbonomics and H2Onomy: the currency standards and trade practices of future environmental governance, Sebastian Thomas 13. A systematic literature review on circular economy performance assessment in public sector organizations, Hinrika Droege, Andrea Raggi, Tomas B. Ramos 14. Institutional investors and climate justice: The role of investors in advancing prevention of human rights abuse in investment chains for fossil-free energy, Karin Buhmann 15. Whistleblowing for Better Environmental Protection in the Malaysian Society, Hazlina Shaik Mohd Noor Alam, Rasyikah Md Khalid 16. Institutional entrepreneurship in Sustainability: the need for radical change processes in private organizations and management schools, Eduardo Wills Herrera 17. Summary and Conclusions: Volker Mauerhofer