Natural design has always been part of the textile and clothing industries. Thousands of years ago we used the silkworm to produce silk in ancient China and the flax plant to create linen in ancient Greece. (1) What tied all of this together was biodiversity. From agriculture to forestry, raw material production for clothing relies on biodiversity for organism health, access to water and fertile soil. (2) The clothing industry doesn’t need a rethink. It just needs to return to its natural design to stay circular.