Which scientific innovation was first successfully implemented at commercial scale by Unilever in 2019, reducing plastic packaging waste by 70% in certain product lines?

The intersection of science and retail has led to remarkable sustainability initiatives that are reshaping how products are designed, manufactured, and distributed. Companies are investing heavily in scientific research to reduce environmental impact while maintaining profitability. Test your knowledge about a major scientific breakthrough that revolutionized sustainable retail practices!

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Compressed molecular air technology that maintains product integrity with minimal packaging
Enzymatic PET plastic decomposition that breaks down packaging into reusable base components
Mycological packaging derived from fungal mycelium that replaces traditional plastic containers
Carbon-negative biopolymers that actively remove greenhouse gases during their production cycle