Which natural products retailer was the first to develop its own comprehensive sustainability certification program that requires third-party verification of environmental claims?

The natural products industry relies heavily on certification programs to validate environmental claims and sustainable practices. These certifications help consumers make informed choices about the products they purchase and the companies they support. This trivia question tests your knowledge about which major natural products retailer pioneered a groundbreaking certification program that has since influenced the entire industry.

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Whole Foods Market with its 'Eco-Scale' rating system for cleaning products (2011)
Trader Joe's with its 'Sustainability Circle' program (2009)
Sprouts Farmers Market with its 'Green Earth Guarantee' (2010)
The Fresh Market with its 'Natural Promise Certification' (2008)