Which major retail chain was the first to launch a comprehensive store-wide labeling system that identified products free from certain environmental and health-concerning ingredients?

The natural products industry has seen dramatic changes in retail strategies over the past decades. As consumers become increasingly environmentally conscious, retailers have adapted with innovative approaches to merchandising, sourcing, and marketing their nature-based products. Test your knowledge about a pivotal moment in the evolution of natural product retailing that changed how these specialty items reach mainstream consumers.

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Whole Foods Market with their 'Eco-Scale' rating system
Trader Joe's with their 'Nature's Checklist' program
Sprouts Farmers Market with their 'Pure Product Promise'
Natural Grocers with their 'Earth-Friendly Finder' icons