As part of their goal of becoming the world’s most sustainable hearing aid company, the first presenters, WS Audiology, one of the world’s top producers of hearing aids, aims to incorporate more recycled material into the plastic jewel cases of their products. However, their team has met with frequent obstacles: making the cases out of 60 percent recycled materials while still achieving the right colour to align with branding requirements has proved challenging, as Mariana Villar, Sustainability Manager at WS Audiology, explained.