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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
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https://www.cpso.cuhk.edu.hk/images/content/events/energy-saving-championhip-scheme-2019.jpg
Source: Electrical and Mechanical Services Department
01 October 2019 - 31 December 2019
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https://www.cpso.cuhk.edu.hk/images/content/events/green-congregation-poster-20191106-1220.jpg
06 November 2019 - 20 December 2019
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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
