This paper presents an integrative exploration of key digital technologies instrumental in enabling the global green transition. In view of ambitious climate neutrality targets, it underscores the complex interplay between these technologies, policy implications, research challenges, and real-world applications in building a sustainable, low-carbon solutions. From a policy perspective, the paper delves into the systemic opportunities and challenges, providing valuable insights for various stakeholders. The discussion also encompasses pivotal research areas necessitated by the convergence of digital technologies and sustainable practices, emphasizing the need for a multi-disciplinary approach. Further, the paper identifies the practical applications of digital technologies across a range of sectors, highlighting several illustrative case studies, drawing lessons for future implementations. It concludes with forward-looking recommendations, stressing the significance of coherent policy coordination, public engagement, and global cooperation in furthering the digital-led green transition.