In the afternoon of November 24, 2023, Mr. Zheng Wang successfully passed his PhD thesis defence. The title of his thesis is “Occurrence and transport of pollutants from spilled oil and microplastics in the coastal areas”. His profound knowledge and excellent presentation helped him win a good evaluation from the external examiner, Dr. Subhasis Ghoshal, and other examining committee members (Drs. Youmin Zhang, Catherine Mulligan, Zhi Chen, Kenneth Lee, and Chunjiang An).