For several months last year, patrons of a Seattle coffee shop called Tailwind Cafe had the option of ordering their Americanos and lattes in returnable metal to-go cups. Customers could simply borrow ...
Alejandro Gallego Schmid receives funding from UKRI. The authors would like to thank Dr Caroline Wood for her writing assistance, language editing, and proofreading of this article. Adisa Azapagic ...