LAHORE  -    The Uni­versity of Veterinary & Animal Sciences (UVAS) Lahore ob­served the World Environment Day on the theme ‘Beating Plas­tic Pollution’, here on Monday. The Department of Environ­mental Sciences arranged an awareness walk and a seminar. Vice-Chancellor Prof Dr Na­sim Ahmad led the walk while experts in the seminar spoke about various aspects of envi­ronment.