# Fashion Revolution > Fashion Revolution is the world's largest fashion activism movement, founded in response to the Rana Plaza factory collapse in 2013. It produces the annual Fashion Transparency Index, which ranks 250 of the world's largest fashion brands and retailers based on their public disclosure of human rights and environmental policies, practices, and impacts. - URL: https://optimly.ai/brand/fashion-revolution-fashion-transparency-index - Slug: fashion-revolution-fashion-transparency-index - BAI Score: 88/100 - Archetype: Challenger - Category: Non-profit / Advocacy - Last Analyzed: May 7, 2026