A San Diego startup says it’s made the world’s first 100% biodegradable sneaker — and that most of the competition is greenwashing.
But what does it mean to be “biodegradable”? And are biodegradable plastics really better for the planet?
We tested seven shoes brands to see if they would biodegrade and whether they’re truly bio-based. And we explore why it’s so hard to make an environmentally friendly shoe.