Starbucks is testing a reusable cup program at London’s Gatwick Airport June 14, 2019 by Tony Cowger https://www.cnbc.com/2019/06/10/starbucks-is-testing-a-reusable-cup-program-at-londons-gatwick-airport.html
Starbucks to test recyclable cups, redesign stores March 27, 2019 by Tony Cowger https://www.chicagotribune.com/business/ct-biz-starbucks-cups-redesign-20190320-story,amp.html