On October 11, 2021, the management team, students, staff, alumni of KMUTT and supporting staff of KMUTT organized a tree planting activity in honor of King Rama IX to offer to His Majesty the King. On the occasion of the day of death A total of 19 Thong Urai and Pikul trees were planted around the Research, Development and Innovation Building, KMUTT. This activity was held under safety measures that all participants. Masks must be worn, social distancing, hand washing, and activities are restricted to open spaces. With no more than 25 participants, this event is consistent with SDGs 2030 Goal 11 Sustainable Cities and Human settlements. and Goal 17: Build cooperation between networks to promote sustainable development.