Subject Speaker Environmental Protection in 25 years Elvis Au, ADEP and Chairman of EPD 25th Anniversary Working Group Hong Kong’s development, environment and nature conservation: an overview Dr Ng Cho Nam (HKU) Managing the urban acoustic environment: from noise control to soundscaping Prof Lam Kin-Che (Chinese U) EIA: changing expectations, purpose and approach Prof Lam Kin-Che (Chinese U) Innovations in cleaning up motor vehicle emissions in Hong Kong Dr Hung Wing-Tat (Poly U) An environmental audit of the Hong Kong Harbour Area Treatment Scheme (HATS) Prof Joseph Lee (HKUST) Waste Management in Hong Kong: Challenge and Opportunity (Chinese Version Only) Prof Jonathan Wong (Baptist U) Sustainable management of construction waste for Hong Kong Prof Poon Chi-Sun (Poly U) The Effectiveness of Water Pollution Control : A Review of the Water Quality and Policies since 1986 Prof Ho Kin-Chung (Open U) Environmental risk assessment: from perception to decision Prof Paul Lam (City U) Air quality in Hong Kong and the Pearl River Delta: current status and future outlook Prof Wang Tao (Poly U)