<![CDATA[Roadside shade trees play an important role in maintaining urban environmental quality; however, public understanding of their ecological functions remains limited. This community service activity aimed to improve public knowledge and awareness of the ecological functions of roadside shade trees in the Jalan Udayana area, Mataram City. The activity was conducted on May 25, 2026, through vegetation observation, tree inventory, environmental education, and interactive discussions. A total of 20 participants, consisting of local residents, visitors, students, youth organization members, and environmental community representatives, took part in the program. The inventory results identified 28 tree individuals belonging to 12 species, with Krey Payung (Filicium decipiens) being the dominant species. Of the observed trees, 23 individuals were classified as healthy, while 5 individuals showed signs of disease, including leaf spots, fungal infection, and parasitic attacks. In addition, 13 trees exhibited dust accumulation on their leaf surfaces, indicating their role in trapping airborne particles and improving air quality. The educational activities enhanced participants’ understanding of the ecological functions of roadside trees, including air pollutant absorption, dust interception, noise reduction, oxygen production, and urban climate regulation. These findings suggest that vegetation-based environmental education can serve as an effective approach to increasing public awareness and encouraging community participation in the conservation of urban green open spaces and sustainable environmental management.]]>
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