Innovation That Matters

The compostable to-go bowls | Photo source Sweetgreen

Eco-friendly takeaway bowls that are truly compostable


Sweetgreen's compostable bowls are PFAS-free, unlike others that claim to be environmentally-friendly

Spotted: Due to consumer awareness of the problem of plastic waste, many restaurants have started to move towards more sustainable options, such as compostable fibre packaging. However, it was recently discovered that the moulded fibre food packages contain poly-fluoroalkyl substances (PFAS) which, when used to coat the paper-like surface, remain persistent in compost and can potentially end up in the soil, water or food.

As a solution to the problem, restaurant chain Sweetgreen has partnered with Footprint, a company aimed at eliminating single-use plastic packaging, to launch new compostable to-go bowls. Sweetgreen explored other options for PFAS-free packaging but eventually decided to work with Footprint, making them the first restaurant chain to use the company’s packaging.

Founded in 2013, Footprint quickly recognised the problems associated with PFAS and began engineering a different design. Its process uses bagasse, an agricultural waste product, or post-consumer recycled paper and blends them up into a bath of fibres. This is then moulded into a bowl shape, treated with heat, pressure and then coated with a bio-based coating. After tests in their own lab, the packaging Sweetgreen will be rolling out is made of recycled paper that has been repurposed into bowls.    

Sweetgreen has already launched the bowls in San Francisco, where a new law banning PFAS in to-go containers took effect on 1st January 2020. The next step for the restaurant chain is to roll out the new packaging across the country and to also replace its plastic lids with the new material.

Written By: Serafina Basciano

Explore more: Retail Innovations | Sustainability Innovations



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