Earth Hours 2022


Pledge now to support Earth Hour by turning off all non-essential lights for one hour on Sat, 26th Mar at 8:30pm!


Wu Yee Sun College, together with other Colleges and Units of CUHK, will support to this global campaign to show our commitment to combat climate change and reduce our ecological footprint. During Earth Hour, all non-essential lighting on UG/F Podium and 5/F Sky Garden will be switched off as a gesture of support. Every one of you, especially hostel residents, is invited to take action by switching off your lights and signing up the online pledge at .