Integrating Sustainability Practices in Supply Chains: Best Practices for increasing the Aspect of Environmental and Operational Performance.

Referring to a single-case study approach while using qualitative analysis, this work involved talking with Wärtsilä’s top executives, scrutinizing the corporation’s sustainability reports and reviewing 100 peer-reviewed studies. The analysis shows that Wärtsilä uses advanced technologies like AI, IoT and digital twins to cut machining emissions by 18%, recognizing that the modular design and reverse logistics of the circular economy help improve resource use. Yet, some obstacles continue such as the big circularity gap of 78-12% with suppliers, complicated rules and reluctance to change. I t has been found that using digital tools allows for both constant emissions monitoring and the possibility of foreseeing breakdowns and that working with suppliers who share environmental values is crucial for greater success. SSCM success is also encouraged by having strong leadership and governance. This thesis helps SSCM theory by presenting how digital twin systems and ESG-based sourcing support the implementation of sustainability in intricate industrial supply chains. Specifically, the study suggests that governments should unify their approaches, increase abilities among providers and use strong ethical guidelines to fill the gaps between what is currently discussed and what is actually adopted. Research demonstrates that doing well in SSCM depends on working together and using a blend of new strategies and involved supplier relationships. Future works should focus on how SSCM can keep adjusting, the ethics in online change and how various frameworks work in various parts of the economy. If industries deal with these challenges, they can combine sustainability into their operations and progress towards running their supply chains completely green.