1. Introduction.-2. Sustainable Corporate Responsibility.- 3. Economic theories and sustainable development.- 4. Key tools - for social and environmental performance, and the UN Sustainable Development Goals (SDG).-5. The business case for sustainability.-6. Circular economy - new business models.- 7. Strategy to approach sustainability in corporations - a Step by Step model.- 8. Stakeholder management.- 9. Sustainability and Finance - Environment, Social and Governance (ESG). 10. Anti-corruption.- 11. Sustainability in developing countries - case South-Sahara Africa.- 12. The way forward - is sustainable development realistic?.