UNY students have carried out various activities to maintain the sustainability of the sea. One of the agendas is mangrove embroidery at Pasir Medit beach. Sulam mangroove's agenda is HIMABIO's efforts to preserve the environment already existed four times. In addition to Sulam Mangroove activities, previously, HIMABIO UNY has also carried out environmental service actions by planting 1000 mangrove seedlings and monitoring.