This Plant-Based “Wool” Has PETA, Stella McCartney’s Seal of Approval

Don’t call it wool. It’s Woocoa—and it doesn’t require a single sheep to be shorn. The winner of the PETA Prize for Animal-Free Wool, part of the 2018 Biodesign Challenge held in New York City last month, the faux fleece is the brainchild of a team of students from Universidad de los Andes in Bogotá,…