From left: Mr. Benny Tam Pit-shing, Director, Estates Management Office, CUHK; Prof Lam Kin-che, Chairman, Advisory Council on the Environment, HKSAR government; Prof. Chu Lee-man, Chairman, Committee on Campus Environment, CUHK; Mr. Edward Yau Tang-wah, Secretary for the Environment, HKSAR government; Prof. Fung Tung, Associate Pro-Vice-Chancellor, CUHK; Mr. Godwin Lai Kwok-wing, Senior Manager, Building Services & Administration, Estates Management Office, CUHK; and Mr. Lam Shi-kai, Director, University Safety and Environment Office, CUHK