Innocent Drinks product planning manager Lucy Barks

Barks says employees will be more likely to take part and contribute ideas if they don’t feel like measures to reduce waste and energy use are simply another layer of regulations being handed down from the top.

“It’s important not to go about sustainability with a really po-faced attitude, telling people ‘we must do this for the environment’ and instead saying of course this important but its easy and has great benefits for the business,” she told RTCC.

“It should be fun and engaging, not a case of people thinking, well I’m going to get shouted at if I don’t do this.