'If you say you're ethical, you have to back it up'

Oatly is a company which makes a range of milks out of oats. Since its products are plant-based, rather than animal-based, it says this makes it an environmentally ethical business. This is a big selling point with millennials, says CEO Toni Petersson.

But, he adds "if you're going to be ethical, you need to back up every claim that you make".

Video Journalist: Jeremy Howell

Find more business tips at CEO Secrets. You can also follow the series on the BBC News app by adding the topic 'CEO Secrets' in My News.

20 August 2019