Guest talk on ocean pollution, ocean resources and challenge faced by the ocean by Dr.Balakrishna K, Professor in Geology, MIT manipal jointly organized  by Ministry of Earth Sciences, Govt. of India, Vigyan Prasar, New Delhi, Karnataka Science And Technology Academy, Bengaluru, Pilikula Regional Science Centre, Mangaluru,Poornaprajna College and Post Graduate Centre on the occasion of Clean Coast, Safe Sea – Campaign on 29th August 2022.