Glenda Mascarenhas has been associated with Don Bosco College for many years . She has been teaching subjects related to Environmental studies and Ecology. She has been associated with all the departments of the College because of the varied subjects she teaches. She has founded the eco club of the college 'Ecotiva' which has been instrumental in carrying out various awareness programmes in the campus as well as outside through collaborations with different NGO's and Government bodies. Ms. Glenda has been active in organising Eco walks, cleanliness drives, e-waste collection in collaboration with Corporation of the City of Panjim, TERI, YUVA and other Governmental bodies and NGO's.