| 非典型肺炎的調查結果和解決方法 (Apr. 22, 2002) |
| 週年研討會 (May 10, 2001 |
| Waste Recycling Scheme in Tertiary and Vocational Institutes (Phase II) (Mar. 15, 2001) |
| Training Course - BEC (Mar 2001 - Aug 2001) |
| Training Course - HKPC (Mar 2001 - May 2001) |
| Training Course - CEMED |
| Dolphinwatching (speech presented by Bill Levertl) |
| The 35th Hong Kong Products Expo. (Eco Gallery) (Dec 16, 2000 - Jan 8, 2001) |