Lisbon is to run a city-wide reusable cup system.
The Portuguese capital has installed two return points offering refunds for used drinks containers.
Lisbon has also banned single-use cups and will fully roll out the reusable system across the city in the autumn.
Deposit-return specialist Tomra is driving the system through its Rotake system, which includes digital tracking as well as cup collection, cleaning and redistribution.
Its first return points went live last month at kiosks in Praça de São Paulo and Praça do Príncipe Real.
Customers purchasing drinks receive them in reusable cups, paying a deposit that is fully refunded upon return by tapping a card or phone at the collection point.
“We’re proud to partner with Lisbon on this first-of-its-kind city system in a European capital,” said Geir Sæther, Head of Tomra Reuse.
City councillor Rui Cordeiro added: “Lisbon is committed to leading by example, promoting sustainable alternatives to single-use plastics and engaging partners in real change toward more conscious consumption habits.”