Which major retailer first implemented an 'Eco-Score' recommendation system that rates products based on environmental impact and suggests natural alternatives?

Retail innovation in the natural products industry has transformed how consumers discover and purchase eco-friendly items. As sustainability becomes increasingly important, certain retailers have pioneered innovative recommendation systems that help customers find environmentally responsible products matching their values. This poll tests your knowledge about a groundbreaking retail recommendation system that changed how people shop for natural products.

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Whole Foods Market with their 'Eco-Scale' rating system in 2011
REI with their 'Sustainability Product Index' in 2013
Trader Joe's with their 'Green Choice' labels in 2010
Patagonia with their 'Footprint Chronicles' in 2012