This lecture covers the critical review process in life cycle assessment (LCA), ensuring consistency with international standards. It discusses the necessity of critical reviews for different types of LCAs and the key aspects that must be guaranteed during the review. The instructor emphasizes the importance of coherence, validity, appropriateness of data, reflection of limitations, and transparency in the LCA study. Additionally, the lecture details the components that should be included in the critical review report for third-party communication.