Which sustainable packaging innovation was first successfully implemented at scale by a major food retailer in 2021?

The food industry is rapidly evolving in its approach to packaging sustainability. Major food retailers and manufacturers are adopting innovative solutions to reduce environmental impact while maintaining food safety and quality. This trivia question tests your knowledge about recent sustainable packaging initiatives that are transforming how food products reach consumers. How familiar are you with the cutting-edge developments in eco-friendly food packaging?

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Edible seaweed-based packaging for produce items
Loop reusable container program for grocery delivery
Mushroom mycelium insulation for temperature-controlled shipping
Watermark-based invisible barcodes for plastic-free sorting