Mr. Cai Mengyu is a Ph.D. graduate from the Institute of Environmental Engineering, National Sun Yat-Sen University and currently serves as a counselor for the Kaohsiung City Government. Cai served as the Director of the Environmental Protection Bureau, Kaohsiung City Government from 2015 to 2018. During his tenure, he had been committed to various air pollution reduction measures, and promoted various tightened standards, total control, pollution reduction in the port area, and increased subsidies for replacement of old and high-pollution vehicles, etc. In terms of water quality management, Cai strengthened inspection and control to reduce environmental water pollution, revitalized polluted land, and promoted green remediation technologies. For environmental sanitation, Cai reinforced waste reduction and resource recycling and promoted environmental education and other multi-pronged measures. Counselor Cai is an expert in environmental protection. In the past, he led the Environmental Protection Bureau staff to improve the environmental quality of Kaohsiung City, which was proven to be one of the best performing bureaus in Taiwan in the field of environmental protection. Cai will continue to contribute his environmental expertise, assist in the municipal administration, and provide professional advice in the future as an important aide to the mayor, in order to improve the environmental quality in Kaohsiung and create a green and fresh harbor city.