InnovationBelgiumBelgium's mushroom startup02:54This browser does not support the video element.InnovationBelgium11/10/2022November 10, 2022A social cooperative in Belgium is growing mushrooms on coffee grounds – underground. Most end up in organic food shops. But some is made into biodegradable packaging. Could this help save our oceans from discarded plastic packaging?Copy linkAdvertisement