During 18 – 21 December 2023, the Faculty of Information and Communication Technology, Mahidol University (ICT Mahidol) organized “2023 Big Cleaning Week,” an activity under “Activities to Support and Conserve the Organizational Culture on the Occasion of New Year’s Day.” The goal was to encourage instructors and staff to clean up their desks and co-working space, as well as to improve the workplace scenery and atmosphere. Furthermore, this activity also aimed to raise the awareness of all participants about sorting waste into different categories, such as reusable items, recyclable items, items to be removed or discarded, and items to be donated.