Main campus of the OUHK has awarded the Wastewi$e Certificate of Excellence Level by the Environmental Campaign Committee in recognition of the University's substantial achievements in green management and the efforts in environmental protection through waste reduction and recycling. The Wastewi$e Certificate aims to encourage participants to adopt environmental practices in different aspects and to recognize their efforts and commitments to the environment.

In addition, the OUHK was presented with a Silver Award of “Commendation Scheme on Source Separation of Commercial and Industrial Waste” by the Environmental Protection Department (EDP). The EDP launched the scheme in 2007, which aims to encourage building users to set up and implement suitable mechanism to separate and recover waste. This will facilitate users to practice waste separation and recycling in workplace with ease. The scheme also encourages building users to monitor the effectiveness of the existing mechanisms, and keep improving the waste separation and recovery arrangements.