This chapter explores strategies for achieving sustainability within the metaverse, focusing on reducing its carbon footprint through eco-friendly digital transformation practices. As virtual environments increasingly impact energy consumption and contribute to greenhouse gas emissions, a sustainable approach to developing and managing the metaverse is essential. The chapter begins with an analysis of the metaverse’s environmental impact, addressing the role of data centres, energy-intensive computing, and emissions from digital infrastructures. It then establishes core principles for sustainable digital transformation, proposing green technologies and business models that align with carbon reduction goals. The technological foundations for reducing carbon footprints are discussed, including advancements in energy-efficient data centres, renewable energy integration, and the potential of blockchain and artificial intelligence for sustainability. Best practices in sustainable metaverse design and development are covered, with a focus on optimizing graphics rendering, user behaviour, and energy-efficient hardware. Further, green strategies for data management—such as efficient storage, data compression, and lifecycle management—are highlighted for their role in minimizing environmental impact. The chapter also examines carbon offset initiatives and partnerships for a carbon-neutral metaverse, along with regulatory frameworks, global standards, and policies that support sustainable virtual ecosystems. Finally, it addresses the challenges of implementing these strategies, balancing innovation with environmental responsibility, and considers future directions for zero-carbon virtual environments. This chapter provides insights and recommendations for stakeholders aiming to cultivate an environmentally conscious digital future within the expanding metaverse landscape.