Drop into Oatly‘s pop-up between the 25th and 31st of March to grab a free cup of its most sustainable coffee yet   The good news… Not content with already helping coffee lovers cut down their carbon emissions with an alternative to dairy milk, Oatly has partnered with Origin Coffee Roasters to create its most sustainable coffee yet. Even better news, Thousands* of Londoners are invited to try a cup of Oatly’s most sustainable coffee yet, for free! The free oat lattes will be handed out to encourage Londoners to make the switch…