Prof. Shosaku Kashiwada, Director of the Research Center for Life and Environmental Science of Toyo University, Itakura Campus in Gunma Prefecture, Japan came to Caraga State University (CSU) on June 4, 2018. He gave a seminar on ‘Globally Distributed Plastic Debris and Environment-Dependent Toxicity’ to the faculty members from the various departments of Caraga State University. His talk focused on the impact of microplastics on the marine ecosystem specifically on biodiversity.