-
https://www.cpso.cuhk.edu.hk/images/content/events/tap-return-earn-2019.jpg
來源：香港太古可口可樂
23 September 2019 - 30 September 2020
-
https://www.cpso.cuhk.edu.hk/images/content/events/social-innovations-for-sustainable-communities.png
Source: Social Innovations for Sustainable Communities
30 November 2019 - 30 March 2020
-
https://www.cpso.cuhk.edu.hk/images/content/events/innovative-water-efficient-showerhead-design-competition.jpg
來源：水務署
13 February 2020 - 17 April 2020
-
https://www.cpso.cuhk.edu.hk/images/content/events/EH2020.jpg
Source: WWF - Hong Kong
28 March 2020 - 28 March 2020
