Which natural products retailer first launched a loyalty program that rewards customers for bringing their own shopping bags?

The natural products industry has been at the forefront of sustainability initiatives and customer loyalty programs that reward eco-conscious behaviors. Major brands have developed innovative ways to encourage consumers to make environmentally friendly choices while building brand loyalty. Test your knowledge about one groundbreaking loyalty program that changed how consumers interact with natural brands!

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Whole Foods Market with their 'Earth Rewards' program (2007)
Sprouts Farmers Market with their 'Green Bag Rebate' (2002)
Trader Joe's with their 'Eco-Points System' (2009)
The Fresh Market with their 'Canvas Bag Credits' (2005)