A Belgian company is finding a way to give coffee grounds a second life — using them to grow mushrooms.
Rather than letting coffee grounds wind up in landfills, the PermaFungi team heads out by bike to pick up as much as 100 kilograms of grounds from local coffee shops in Brussels. "A mushroom can break down coffee grounds. It doesn't see coffee, it doesn't see coffee grounds — it sees nitrogen, hydrogen, oxygen, carbon. And it's going to use that base to get only what it needs," Julian Jacquet, cofounder of PermaFungi, told Business Insider Today.
Every year, coffee drinkers across the world generate about 6 million tons of used grounds. In 2018, the company recycled 39 of those tons.
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