Acknowledgments
I am grateful for very helpful suggestions from two anonymous reviewers.
Disclosure statement
No potential conflict of interest was reported by the author.
Notes
1. Importantly, the term transparency in context of the Paris Agreement does not just refer to transparency of information contained in NDCs but to a review mechanism including the Enhanced Transparency Framework under Article 13. The UNFCCC website provides a useful introduction: https://unfccc.int/Transparency