As climate change intensifies, healthcare systems must not only adapt to growing health impacts but also reduce their own environmental footprint. This case study highlights the National University Health System (NUHS) in Singapore and its transition toward sustainable healthcare. By adopting a “whole of system approach,” NUHS developed strong internal governance and established an Office of Sustainability to manage efforts across clinical care, facilities, and procurement. The focus was placed on emissions and resource consumption most significant to NUHS’s operations.

Key challenges included limited staff and funding, navigating supplier engagement, and shifting entrenched clinical practices. NUHS prioritized building internal capacity and securing dedicated funding to support sustainability initiatives. However, the anticipated increase in healthcare demand—due to Singapore’s aging population—could offset some of the gains from decarbonization efforts.

This case offers practical insights for other health systems aiming to reduce their carbon footprint. It underscores the importance of strategic prioritization, leadership commitment, and resource allocation in embedding sustainability into healthcare operations. The NUHS example demonstrates that transitioning to environmentally responsible healthcare is both feasible and urgent, serving as a blueprint for institutions worldwide to follow.