| Title | 全綠色環境 |
| Winner | WONG Kai Yuet, SZE TO Shuk Ching, NG Ying Yan |
| School | Our Lady of China Catholic Primary School |
Sole Sponsor
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| Title | 全綠色環境 |
| Winner | WONG Kai Yuet, SZE TO Shuk Ching, NG Ying Yan |
| School | Our Lady of China Catholic Primary School |
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