Environmental breakdown and global population rise have led to a strong focus on food supply chains, but the way that we produce fibre is equally important.  At least 60% of our clothes are now made using synthetic, petrochemical-based fabrics - all of which need to be replaced.  Natural animal or plant-based fibres will become resurgent on the cat walks and on the high street - so the need to reform and integrate food and fashion supply chains is urgent.

ffinlo Costain talks to Cate Havstad-Casad, farmer and founder of Range Revolution, an Oregon-based company which produces luxury leather products from certified regenerative ranches.