Going from a single spore to a finished fungi-derived leather product takes a couple of weeks. But raising a cow to maturity for bovine leather can take several years.
Leather isn't just a by-product of the meat industry, and raises serious moral questions for anyone who cares about animal rights.
The cleared land of Paraguay's Chaco forest produces everyday products like charcoal and leather that are sold abroad to consumers who may never know the unsavory origins of their purchases.
When small regional communities see economic value in animals like snakes and crocodiles, people are motivated to invest in their protection.
Conventional leather is fraught with ethical and environmental issues. But leather grown from fermented kombucha tea offers consumers a glimpse of a DIY, sustainable future.