The Nigerian pension industry is increasingly embracing sustainability through the integration of Environmental, Social, and Governance (ESG) practices. With a growing focus on green investments, pension fund administrators (PFAs) are aligning their strategies with sustainable development goals, driving positive environmental impact while ensuring long-term financial growth. However, the journey toward a fully sustainable pension industry is not without challenges. This article explores the current state of ESG practices in the Nigerian pension industry, the role of green investments, and the necessary steps for a more robust regulatory framework to support these initiatives.