This chapter explores the critical roles of accountability and transparency in the effective governance of climate actions, emphasizing their importance in building trust and ensuring the legitimacy of climate policies. It examines various frameworks and mechanisms designed to monitor, report, and verify (MRV) climate actions, focusing on how these processes contribute to greater transparency and improved outcomes. The chapter also discusses the concept of accountability in climate governance, particularly the responsibilities of governments, corporations, and international organizations in meeting their climate commitments. Furthermore, it delves into adaptation strategies, analyzing how transparent and accountable governance can enhance the implementation and effectiveness of these strategies. Through case studies and theoretical models, this chapter highlights the interconnectedness of accountability, transparency, and adaptive capacity in navigating the complex challenges posed by climate change.