Voluntary climate disclosures, like TCFD, provide valuable insights but face challenges, including data inconsistencies and lack of comparability. Research highlights issues in materiality and the connection between disclosures and financial outcomes. A global mandatory standard, led by the IFRS Foundation, is emerging. The implementation of new accounting standards post-GFC shows the importance of timely, global solutions. For academics, sustainability disclosure is a rich research area, blending climate science, finance, and AI.