For those who love shoes, there’s a constant battle between brands that are high quality and brands that are ethical. Leather has long been the favorite material for making shoes since it’s durable, flexible, and beautiful. But it’s not very kind to the animals who have to lose their skin to make it. Not to mention that tanning leather is a toxic endeavor that creates polluted air and water. That’s why University of Delaware professor Richard Wool is working on a leather alternative made from natural fibers and oils. Companies like Puma and Nike are already considering it for new designs. Click the link to learn more.