This chapter explores the evolving legal landscape of sustainable global business, moving beyond traditional profit-centric models to embrace environmental, social, and governance (ESG) stewardship. It traces the historical development of sustainability from the Brundtland Report to the UN Sustainable Development Goals (SDGs), highlighting how international treaties and frameworks have shaped corporate responsibility. The text provides a comparative analysis of national sustainability laws across the EU, US, Asia, and Africa, revealing diverse regulatory approaches and common trends towards increased transparency and accountability. Integrating the SDGs into corporate governance examines the critical role of corporate governance in achieving the SDGs. It further discusses dispute resolution, enforcement mechanisms, and emerging challenges, advocating for robust, adaptable legal frameworks to drive businesses towards a more equitable and sustainable future.