On the morning of August 28, 2025, Mr. Linxiang Lyu successfully defended his PhD thesis. The title of his thesis is “Assessing the Environmental Impacts of Plastic Materials: A Step Towards Sustainable Materials and Eco-Friendly Products”. His profound knowledge and excellent presentation helped him win a good evaluation from the external examiner, Dr. Milan Maric, and other examining committee members (Drs. Yaser Khojasteh-Salkuyeh, Zhi Chen, Joonhee Lee, Monisha Bagchi, and Chunjiang An).