Fashion sustainability initiative U.S. Cotton Trust Protocol has welcomed new member global retailer Gap Inc (brands include  Old Navy, Gap, Banana Republic and Athleta). Alice Hartley, Director of Product Sustainability at Gap Inc. and Dr. Gary Adams, President of the U.S. Cotton Trust Protocol. talk through how Gap Inc., which already sources 57% of its cotton from sustainable sources, is joining the Trust Protocol to enable it to progress towards its target of using 100% sustainably sourced cotton across all its products by 2025.