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CO-CA / sustainable development


At least 400 billion cups of coffee are consumed worldwide each year, but most of the coffee grounds are thrown away, buried or burned and not used well. Therefore, this concept is dedicated to the reuse of coffee grounds. After buying coffee, the value of the grounds accumulates on the app, which translates into growing coffee trees. When coffee plants produce coffee beans, they can exchange various products made from coffee grounds or opt for a DIY experience in offline cafe. In this way, the coffee grounds can be recycled and the resources will not be wasted.


Zhejiang University City College

Zhejiang University City College
Hangzhou, China

Wenxi Xiang,
Zhejiang University City College

Xiaoyi Yao,
Zhejiang University City College

Yue Yu,
Zhejiang University City College