As the Associate Professor of Universiti Sains Malaysia, Vuanghao Lim provides sustainable education to students from various backgrounds, continuously support the hearing impaired societies in the medicinal herbs areas, and conducts and guides sustainable research related to environmental issues. While in the U.S., Lim worked with Botanical Research Institute of Texas in Forth Worth, Texas, where he helped conserve natural heritage by deepening the knowledge of the plant world, documented the diversity of plant life and conducted extensive research, and addressed global challenges ranging from pollution cleanup to sustainable food sources. Since his return to Malaysia, Lim has focused his efforts on research on herbal medicines/plants for sustainable alternative medicines and a community project for high school youth on environmental education.