Please click the thumbnail below to view a larger image.

Drop a clean plastic beverage bottle into the Reverse Vending Machine (RVM) and you will be shown a QR code on the machine’s display panel. Scan it via the GreenCoin app to earn Coin. ONE (1) plastic beverage bottle will mean ONE (1) Coin to be earned.

Locations of Reverse Vending Machine (RVM) that collects plastic beverage bottles:

• Podium level, Shaw Amenities Building (VA)
• Podium level, Lee Shau Kee Building (Block Y)
• 2/F, Block Z

Drop a clean tetra pak or a clean beverage can into the Reverse Vending Machine (RVM) and you will be shown a QR code on the machine’s display. Scan it via the GreenCoin app to earn Coin. ONE (1) tetra pak or ONE (1) beverage can will mean ONE (1) Coin to be earned.

Locations of Reverse Vending Machine (RVM) that collects tetra paks and aluminium cans:

• Podium level, Shaw Amenities Building (VA)
• 2/F, Block Z

Remember to clean the containers before dropping them into the machine. Watch this video for a quick guide:

If you attend our online sharing session and complete our online post-event feedback form successfully, you will be able to earn bonus Coins for use!

Terms and Conditions apply.:

• For current PolyU staff and students and registered GreenCoin users.
• Users can get bonus Coins after attending and completing the online feedback form for any online sharing sessions.
• The bonus Coins will be credited to the user’s GreenCoin in due course. Email notification will follow afterwards.
• The scope and details of this arrangement is subject to change at any time without prior notice.
• Coin records with the GreenCoin platform server are final.
• We reserve the right of final decision in case of any disputes.
• GreenCoin Terms and Conditions apply

Please click here to find out the locations on campus to earn Coins.